..... येथे असलेले इंडियन म्युझियम याची स्थापना एशियाटिक सोसायटी तर्फे सन १९८४ मध्ये झाली.
..... येथे असलेले इंडियन म्युझियम याची स्थापना एशियाटिक सोसायटी तर्फे सन १९८४ मध्ये झाली.
इ.स.नाच्या ............ शतकाच्या उत्तरार्धात मराठा चित्रशैली विकसित होण्यास सुरुवात झाली.
इ.स.नाच्या ............ शतकाच्या उत्तरार्धात मराठा चित्रशैली विकसित होण्यास सुरुवात झाली.
Which of the following pairs of compounds of carbon will undergo combustion as well as addition reactions.
Which of the following pairs of compounds of carbon will undergo combustion as well as addition reactions.
Which of the following statements are correct?
Which of the following statements are correct?
Consider a simple circuit containing a battery and three identical incandescent bulbs A, B and C. Bulb A is wired in parallel with bulb B and this combination is wired in series with bulb C. What would happen to the brightness of the other two bulbs if bulb A were to burn out?
Consider a simple circuit containing a battery and three identical incandescent bulbs A, B and C. Bulb A is wired in parallel with bulb B and this combination is wired in series with bulb C. What would happen to the brightness of the other two bulbs if bulb A were to burn out?
An open box A is made from a square piece of tin by cutting equal squares S at the corners and folding up the remaining flaps. Another open box B is made similarly using one of the squares S. If U and V are the volumes of A and B respectively, then which of the following is not possible ?
An open box A is made from a square piece of tin by cutting equal squares S at the corners and folding up the remaining flaps. Another open box B is made similarly using one of the squares S. If U and V are the volumes of A and B respectively, then which of the following is not possible ?
The value of is:
The value of is:
.......... हे पाण्याचे नोबेल समजल्या जाणाऱ्या स्टॉकहोम वॉटर प्राईझचे मानकरी आहेत.
.......... हे पाण्याचे नोबेल समजल्या जाणाऱ्या स्टॉकहोम वॉटर प्राईझचे मानकरी आहेत.
Re. 1 and Rs 5 coins are available (as many required). Find the smallest payment which cannot be made by these coins, if not more than 5 coins are allowed.
Re. 1 and Rs 5 coins are available (as many required). Find the smallest payment which cannot be made by these coins, if not more than 5 coins are allowed.
The figure below shows the position of a ball at t = 0, t = 1s, t = 2s, t = 3s and t = 4s:
Which of the graph below is a possible graph of the position x(t) ?
The figure below shows the position of a ball at t = 0, t = 1s, t = 2s, t = 3s and t = 4s:
Which of the graph below is a possible graph of the position x(t) ?
A drop each of two non-corrosive and non-irritating liquids A and B at a temperature of 22°C are placed on the skin. Liquid A gives a more cooling sensation than liquid B. Which of the following can be said about the liquids A and B?
A drop each of two non-corrosive and non-irritating liquids A and B at a temperature of 22°C are placed on the skin. Liquid A gives a more cooling sensation than liquid B. Which of the following can be said about the liquids A and B?
ब्राझीलची राजधानी असलेले राज्य ...
ब्राझीलची राजधानी असलेले राज्य ...
What would happen to the person if cerebellum of his brain is damaged?
What would happen to the person if cerebellum of his brain is damaged?
Raju was suffering from severe stomach pain and the doctor diagnosed that he was suffering from peptic ulcers and treated him with antibiotics. He was relieved of pain. What could be the reason for peptic ulcers?
Raju was suffering from severe stomach pain and the doctor diagnosed that he was suffering from peptic ulcers and treated him with antibiotics. He was relieved of pain. What could be the reason for peptic ulcers?
Which of the following ray diagram is correct ?
Which of the following ray diagram is correct ?
ABCD is a square with side a. With centres A, B, C and D four circles are drawn such that each circle touches externally two of the remaining three circles. Let be the area of the region in the interior of the square and exterior of the circles. Then the maximum value of is:
ABCD is a square with side a. With centres A, B, C and D four circles are drawn such that each circle touches externally two of the remaining three circles. Let be the area of the region in the interior of the square and exterior of the circles. Then the maximum value of is:
............मध्ये संत नरसी मेहता यांनी भक्ती संप्रदायास चालना दिली.
............मध्ये संत नरसी मेहता यांनी भक्ती संप्रदायास चालना दिली.
A person with blood group ‘A’ can donate blood to the persons with blood group ‘A’ or ‘AB’ because it
A person with blood group ‘A’ can donate blood to the persons with blood group ‘A’ or ‘AB’ because it
भारतात ज्या भागात दीर्घकाळ कोरडा उन्हाळा व ….. मिमीपेक्षा कमी पर्जन्य होते अशा प्रदेशात काटेरी व झुडपी वने आढळतात.
भारतात ज्या भागात दीर्घकाळ कोरडा उन्हाळा व ….. मिमीपेक्षा कमी पर्जन्य होते अशा प्रदेशात काटेरी व झुडपी वने आढळतात.
A salt can be between produced by reaction
I. A weak acid and weak base II. Metal oxide and water
III. Metal and a mineral acid IV. Metal oxide and a mineral acid
A salt can be between produced by reaction
I. A weak acid and weak base II. Metal oxide and water
III. Metal and a mineral acid IV. Metal oxide and a mineral acid
मानवजातीने ........ केलेल्या कृतीच्या आधारे मानवजातीच्या वाटचालीचा वेध इतिहासात घेतला जातो.
मानवजातीने ........ केलेल्या कृतीच्या आधारे मानवजातीच्या वाटचालीचा वेध इतिहासात घेतला जातो.
One integer is chosen out of I, 2, 3, …., 100. What is the probability that it is neither divisible by 4 nor by 6.
One integer is chosen out of I, 2, 3, …., 100. What is the probability that it is neither divisible by 4 nor by 6.
The average temperature of the Earth remains fairly steady as compared to that of the moon because of the
The average temperature of the Earth remains fairly steady as compared to that of the moon because of the
.......... वाढणाऱ्या बदलांमुळे भारतीय लोकशाही जगातील सर्वांत मोठी लोकशाही मानली जाते.
.......... वाढणाऱ्या बदलांमुळे भारतीय लोकशाही जगातील सर्वांत मोठी लोकशाही मानली जाते.
An open box is made from a square lamina of side 12cm, by cutting equal squares at the corners and folding up the remaining flaps. The volume of this box cannot be
An open box is made from a square lamina of side 12cm, by cutting equal squares at the corners and folding up the remaining flaps. The volume of this box cannot be
इ. स. १९९८ मध्ये भारताचे तत्कालिन राष्ट्रपती ..... यांनी राष्ट्रीय अभिलेखागार म्हणून ते जनतेसाठी खुले करण्यात आल्याचे जाहीर केले.
इ. स. १९९८ मध्ये भारताचे तत्कालिन राष्ट्रपती ..... यांनी राष्ट्रीय अभिलेखागार म्हणून ते जनतेसाठी खुले करण्यात आल्याचे जाहीर केले.
A solid metal sphere of surface area is melted and recast into a number of smaller spheres. is the sum of the surface areas of all the smaller spheres. Then
A solid metal sphere of surface area is melted and recast into a number of smaller spheres. is the sum of the surface areas of all the smaller spheres. Then
A group of red beetles lives on green leaves of a tree. Beetles multiply through sexual reproduction. One day, some green beetles are seen among the red beetles. Green beetles breed to produce green progeny. Crows on the tree eat beetles.
Q. The colour composition of beetle population is likely to change in the following manner:
A group of red beetles lives on green leaves of a tree. Beetles multiply through sexual reproduction. One day, some green beetles are seen among the red beetles. Green beetles breed to produce green progeny. Crows on the tree eat beetles.
Q. The colour composition of beetle population is likely to change in the following manner:
A compound X is obtained by the reaction of alkaline with another compound Y followed by acidification. Compound X also reacts with compound Y in presence of few drops of to form a sweet smelling compound Z. The compound X, Y and Z are respectively.
A compound X is obtained by the reaction of alkaline with another compound Y followed by acidification. Compound X also reacts with compound Y in presence of few drops of to form a sweet smelling compound Z. The compound X, Y and Z are respectively.
........... मध्ये नॅशनल फिल्म अकाईव्ह (राष्ट्रीय फिल्म संग्रहालय) या संस्थेची मुख्य कचेरी आहे.
........... मध्ये नॅशनल फिल्म अकाईव्ह (राष्ट्रीय फिल्म संग्रहालय) या संस्थेची मुख्य कचेरी आहे.
A uranium nucleus at rest decays into a thorium nucleus and a helium nucleus, as shown below. Which of the following is true?
A uranium nucleus at rest decays into a thorium nucleus and a helium nucleus, as shown below. Which of the following is true?
An element X (atomic number 12) reacts with another element Y (atomic number 17) to form a compound Z. Which of the following statements are true regarding this compound?
I. Molecular formula of Z is II. It is soluble in water
III. X and Y are joined by sharing of electrons IV. It would conduct electricity in the molten state.
An element X (atomic number 12) reacts with another element Y (atomic number 17) to form a compound Z. Which of the following statements are true regarding this compound?
I. Molecular formula of Z is II. It is soluble in water
III. X and Y are joined by sharing of electrons IV. It would conduct electricity in the molten state.
हिस्टरी हा शब्द ........... या इतिहासकाराने सर्वप्रथम वापरला.
हिस्टरी हा शब्द ........... या इतिहासकाराने सर्वप्रथम वापरला.
Suppose you walk from home to the bus stand at 4 km/h and immediately return at x km/h. If the average speed is 6 km/h then x is
Suppose you walk from home to the bus stand at 4 km/h and immediately return at x km/h. If the average speed is 6 km/h then x is
भारताचे जलपुरुष या नावाने ओळखले जाणारे डॉ. राजेंद्र सिंह राणा यांनी.........येथे मोठी जलक्रांती घडवून आणली.
भारताचे जलपुरुष या नावाने ओळखले जाणारे डॉ. राजेंद्र सिंह राणा यांनी.........येथे मोठी जलक्रांती घडवून आणली.
भारतीय संविधानाने मतदाराचे वय ......... वर्षे इथपर्यंत आणले.
भारतीय संविधानाने मतदाराचे वय ......... वर्षे इथपर्यंत आणले.
Median of a data number which has number of observations below and above it. The median set is a an equal below and of the data
1, 9, 4, 3, 7, 6, 8, 8, 12, 15 is
Median of a data number which has number of observations below and above it. The median set is a an equal below and of the data
1, 9, 4, 3, 7, 6, 8, 8, 12, 15 is
...... हा ऐतिहासिक साहित्यातील एक महत्त्वाचा प्रकार आहे.
...... हा ऐतिहासिक साहित्यातील एक महत्त्वाचा प्रकार आहे.
Which of the following polygons are uniquely determined when all the sides are give?
Which of the following polygons are uniquely determined when all the sides are give?
Which of the following is an irrational number?
Which of the following is an irrational number?
The reaction between carbon and oxygen can be represented as
Q. In which of the following type (s), the above reaction can be classified?
I. Combustion reaction II. Displacement reaction
III. Endothermic reaction IV. Combination reaction
The reaction between carbon and oxygen can be represented as
Q. In which of the following type (s), the above reaction can be classified?
I. Combustion reaction II. Displacement reaction
III. Endothermic reaction IV. Combination reaction
.......... ठिकाणी पर्यटक निवासाची सोय केली आहे.
.......... ठिकाणी पर्यटक निवासाची सोय केली आहे.
भारतात ......... आगमन झाल्यावर मुद्रणकला, वर्तमानपत्रे सुरू झाली.
भारतात ......... आगमन झाल्यावर मुद्रणकला, वर्तमानपत्रे सुरू झाली.
भारताची लोकसंख्या2011 च्या जनगणनेनुसार ....... कोटी होती.
भारताची लोकसंख्या2011 च्या जनगणनेनुसार ....... कोटी होती.
A group of red beetles lives on green leaves of a tree. Beetles multiply through sexual reproduction. One day, some green beetles are seen among the red beetles. Green beetles breed to produce green progeny. Crows on the tree eat beetles.
Q. Some green beetles appear among the red beetle because
A group of red beetles lives on green leaves of a tree. Beetles multiply through sexual reproduction. One day, some green beetles are seen among the red beetles. Green beetles breed to produce green progeny. Crows on the tree eat beetles.
Q. Some green beetles appear among the red beetle because
भूमिहीन शेतकरी, आदिवासी यांच्यावर होणाऱ्या अन्यायाला दूर करण्यासाठी........सुरू झाला.
भूमिहीन शेतकरी, आदिवासी यांच्यावर होणाऱ्या अन्यायाला दूर करण्यासाठी........सुरू झाला.
मराठी भाषेत नुकताच ........इतिहास प्रकाशित झाला.
मराठी भाषेत नुकताच ........इतिहास प्रकाशित झाला.
२०१६ मध्ये निवडणूक आयोगाने ......... या पक्षाला राष्ट्रीय पक्ष म्हणून मान्यता दिली.
२०१६ मध्ये निवडणूक आयोगाने ......... या पक्षाला राष्ट्रीय पक्ष म्हणून मान्यता दिली.
An electron moving with uniform velocity in x direction enters a region of uniform magnetic field along y direction. Which of the following physical quantity(ies) is (are) non-zero and remain constant ?
(I) Velocity of the electron (II) Magnitude of the momentum of the electron
(III) Force on the electron (IV) The kinetic energy of electron
An electron moving with uniform velocity in x direction enters a region of uniform magnetic field along y direction. Which of the following physical quantity(ies) is (are) non-zero and remain constant ?
(I) Velocity of the electron (II) Magnitude of the momentum of the electron
(III) Force on the electron (IV) The kinetic energy of electron
भारतात .......... मध्ये निवडणूक आयोगाची स्थापना झाली.
भारतात .......... मध्ये निवडणूक आयोगाची स्थापना झाली.
Three different circuits (I. II and III) are constructed using identical batteries and resistors of R and 2R ohm. What can be said about current I in arm AB of each circuit?
(I) (II)
(III)
Three different circuits (I. II and III) are constructed using identical batteries and resistors of R and 2R ohm. What can be said about current I in arm AB of each circuit?
(I) (II)
(III)
..........म्हणजे गडकिल्ल्यांवर झऱ्यातून येणाऱ्या पाण्याचा साठा करण्यासाठी खडकात खोदलेला हौद होय.
..........म्हणजे गडकिल्ल्यांवर झऱ्यातून येणाऱ्या पाण्याचा साठा करण्यासाठी खडकात खोदलेला हौद होय.
मुखाच्या प्रदेशात वितरिक नसलेली नदी ......
मुखाच्या प्रदेशात वितरिक नसलेली नदी ......
Non-degradable and fat soluble pollutant, such as DDT enters the food chain, the pollutant
Non-degradable and fat soluble pollutant, such as DDT enters the food chain, the pollutant
भारतातील ऐतिहासिक स्वरूपाचे सर्वाधिक प्राचीन लिखित साहित्य हे .... लेखांच्या स्वरूपातील आहे.
भारतातील ऐतिहासिक स्वरूपाचे सर्वाधिक प्राचीन लिखित साहित्य हे .... लेखांच्या स्वरूपातील आहे.
The Square of an odd integer must be of the form:
The Square of an odd integer must be of the form:
In flowers, which one of the following conditions will increase chances of self-pollination?
In flowers, which one of the following conditions will increase chances of self-pollination?
is:
is:
There are several human beings and several dogs in a room. One tenth of the humans have lost a leg. The total numbers of feet are 77. Then the number of dogs is:
There are several human beings and several dogs in a room. One tenth of the humans have lost a leg. The total numbers of feet are 77. Then the number of dogs is:
ताडोबा हे अभयारण्य ..... राज्यात आहे.
ताडोबा हे अभयारण्य ..... राज्यात आहे.
An element X combines with hydrogen to form a compound. The element X is placed on the right side of the periodic table. What is true about the element X?
I. Has valence electrons II. Is a metal and is solid III. Is a non-metal and is a gas
IV. Has a 5 valence electrons V. reacts with water to form a basic compound
An element X combines with hydrogen to form a compound. The element X is placed on the right side of the periodic table. What is true about the element X?
I. Has valence electrons II. Is a metal and is solid III. Is a non-metal and is a gas
IV. Has a 5 valence electrons V. reacts with water to form a basic compound
The graph shows position as a function of time for two trains A and B running on parallel tracks. For times greater than t = 0, which of the following statement is true?
The graph shows position as a function of time for two trains A and B running on parallel tracks. For times greater than t = 0, which of the following statement is true?
काँग्रेसमधून बाहेर पडून १९९९ साली ...... पक्षाची स्थापना झाली.
काँग्रेसमधून बाहेर पडून १९९९ साली ...... पक्षाची स्थापना झाली.
किनाऱ्यालगत दलदलीच्या प्रदेशात खाड्या व खाजणांचा भाग असतो, तेथे क्षारयुक्त मृदा व....... हवामान असते.
किनाऱ्यालगत दलदलीच्या प्रदेशात खाड्या व खाजणांचा भाग असतो, तेथे क्षारयुक्त मृदा व....... हवामान असते.
A has a pair of triangles corresponding sides proportional, and B has a pair of pentagons with corresponding sides proportional, A’s triangles must be similar, B’s pentagons must be similar. Which of the following statement is correct?
A has a pair of triangles corresponding sides proportional, and B has a pair of pentagons with corresponding sides proportional, A’s triangles must be similar, B’s pentagons must be similar. Which of the following statement is correct?
दक्षिणेकडून उत्तरेकडे वाहत जाताना अचानक पूर्वेकडे वळून अटलांटिक महासागरास मिळणारी नदी......
दक्षिणेकडून उत्तरेकडे वाहत जाताना अचानक पूर्वेकडे वळून अटलांटिक महासागरास मिळणारी नदी......
A metal carbonate X on treatment with a mineral acid liberates a gas which when passed through aqueous solution of a substance Y gives back X. The substance Y on reaction with the gas obtained at anode during electrolysis of brine gives a compound Z which can decolorise coloured fabrics. The compounds X, Y and Z respectively are
A metal carbonate X on treatment with a mineral acid liberates a gas which when passed through aqueous solution of a substance Y gives back X. The substance Y on reaction with the gas obtained at anode during electrolysis of brine gives a compound Z which can decolorise coloured fabrics. The compounds X, Y and Z respectively are
......... मध्ये इसवीसन पूर्व काळात सरकारी आदेशांचे कोरीव लेख सार्वजनिक ठिकाणी लावून ठेवत असत.
......... मध्ये इसवीसन पूर्व काळात सरकारी आदेशांचे कोरीव लेख सार्वजनिक ठिकाणी लावून ठेवत असत.
Which of the following statements holds always?
Which of the following statements holds always?
........... हा भारताचा राष्ट्रीय खेळ आहे.
........... हा भारताचा राष्ट्रीय खेळ आहे.
The figure shown below depicts the distance travelled by a body as a function of time.
The average speed and maximum speed between 0 and 20 s are:
The figure shown below depicts the distance travelled by a body as a function of time.
The average speed and maximum speed between 0 and 20 s are:
महाराष्ट्रात ........... यांनी वारकरी पंथाच्या माध्यमातून भजन-कीर्तनास प्रोत्साहन दिले.
महाराष्ट्रात ........... यांनी वारकरी पंथाच्या माध्यमातून भजन-कीर्तनास प्रोत्साहन दिले.
All the arcs in the following diagram are semi-circles. This diagram shows two paths connecting A to B. Path I is the single large semi-circle and Path II consists of the chain of small semi- circles.
All the arcs in the following diagram are semi-circles. This diagram shows two paths connecting A to B. Path I is the single large semi-circle and Path II consists of the chain of small semi- circles.
A ship sends a sonar wave to the sea bed which is flat and measured several times over a large area, One day the reflected sound wave takes longer time than in previous measurements. The possible reason is:
A ship sends a sonar wave to the sea bed which is flat and measured several times over a large area, One day the reflected sound wave takes longer time than in previous measurements. The possible reason is:
........ धरणाच पाणी पुर्ण व सभोवतालच्या भागाला पिण्यासाठी व सिंचनासाठी पुरविले जाते.
........ धरणाच पाणी पुर्ण व सभोवतालच्या भागाला पिण्यासाठी व सिंचनासाठी पुरविले जाते.
भारतातील पहिले सरकारी अभिलेखागार इ. स. १८९१ मध्ये इंपिरियल रेकॉर्ड डिपार्टमेंट या नावाने .......... येथे स्थापन झाले.
भारतातील पहिले सरकारी अभिलेखागार इ. स. १८९१ मध्ये इंपिरियल रेकॉर्ड डिपार्टमेंट या नावाने .......... येथे स्थापन झाले.
A plant that has well differentiated body, special tissues for transport of water and other substances, but does not have seed or fruits is a(n):
A plant that has well differentiated body, special tissues for transport of water and other substances, but does not have seed or fruits is a(n):
भारतामध्ये सार्वजनिक क्षेत्रात मोठ्या प्रमाणावर …………... समस्या दिसून येते.
भारतामध्ये सार्वजनिक क्षेत्रात मोठ्या प्रमाणावर …………... समस्या दिसून येते.
इसवी सनाच्या ..... शतकात बाणभट्ट या कवीने लिहिलेले हर्षचरित्र हे संस्कृत काव्य ऐतिहासिक चरित्र ग्रंथांच्या स्वरूपाचे आहे.
इसवी सनाच्या ..... शतकात बाणभट्ट या कवीने लिहिलेले हर्षचरित्र हे संस्कृत काव्य ऐतिहासिक चरित्र ग्रंथांच्या स्वरूपाचे आहे.
In the following food chain who gets less energy than the tertiary consumer and more than the primary consumer?
In the following food chain who gets less energy than the tertiary consumer and more than the primary consumer?
There is a mixture of three solid compounds A, B and C. Out of these compounds A and C are soluble in water and compound C is sublimable also. In what sequence the following techniques can be used for their effective separation?
I. Filtration II. Sublimation
III. Crystallisation from water extract IV. Dissolution in water
There is a mixture of three solid compounds A, B and C. Out of these compounds A and C are soluble in water and compound C is sublimable also. In what sequence the following techniques can be used for their effective separation?
I. Filtration II. Sublimation
III. Crystallisation from water extract IV. Dissolution in water
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A hypothetical planet has density , radius R. and surface gravitational acceleration g. If the radius of the planet were doubled, but the planetary density stayed the same, the acceleration due to gravity at the planet’s surface would be:
A hypothetical planet has density , radius R. and surface gravitational acceleration g. If the radius of the planet were doubled, but the planetary density stayed the same, the acceleration due to gravity at the planet’s surface would be:
Which of the following numbers is the fourth power of a natural number?
Which of the following numbers is the fourth power of a natural number?
, where a, b, c are real, has real roots if:
, where a, b, c are real, has real roots if:
ब्राझीलमध्ये सुरुवातीच्या वस्त्या ....... मधून आलेल्या वसाहतवाद्यांनी निर्माण केल्या.
ब्राझीलमध्ये सुरुवातीच्या वस्त्या ....... मधून आलेल्या वसाहतवाद्यांनी निर्माण केल्या.
Which of the following is true about the two statements?
Statement I: Reactivity of aluminium decreases when it is dipped in nitric acid.
Statement II: A protective layer of aluminium nitrate is formed when aluminium is dipped in nitric acid.
Which of the following is true about the two statements?
Statement I: Reactivity of aluminium decreases when it is dipped in nitric acid.
Statement II: A protective layer of aluminium nitrate is formed when aluminium is dipped in nitric acid.
Which of the following is a suitable example for illustrating the law of conservation of mass? (Atomic mass of O = 16; H = 1)
Which of the following is a suitable example for illustrating the law of conservation of mass? (Atomic mass of O = 16; H = 1)
Photosynthesis in an aquatic plant was measured by counting the number of bubbles coming out of the cut end of the plant. What will happen to production if you use a pipe blow air from your mouth into water in the beaker?
Photosynthesis in an aquatic plant was measured by counting the number of bubbles coming out of the cut end of the plant. What will happen to production if you use a pipe blow air from your mouth into water in the beaker?
...... ही एक अश्मयुगीन काळापासून अखंडितपणे चालत आलेली परंपरा आहे.
...... ही एक अश्मयुगीन काळापासून अखंडितपणे चालत आलेली परंपरा आहे.
Given below are figures of three kinds of muscle fibres.
Which one/ones would you find in the grass hopper’s legs ?
Given below are figures of three kinds of muscle fibres.
Which one/ones would you find in the grass hopper’s legs ?
ब्राझीलचे सर्वांत दक्षिणेकडील राज्य .......
ब्राझीलचे सर्वांत दक्षिणेकडील राज्य .......
An animal cell, a plant cell and a bacterium share the following structural features:
An animal cell, a plant cell and a bacterium share the following structural features:
A concave lens always gives a virtual image. In optical lenses worn by humans which of the following statements is true?
A concave lens always gives a virtual image. In optical lenses worn by humans which of the following statements is true?
कोणत्याही देशासाठी....... हे एक महत्त्वाचे संसाधन असते.
कोणत्याही देशासाठी....... हे एक महत्त्वाचे संसाधन असते.
A silvery white metal X reacts with water at room temperature to produce a water soluble compound Y and a colourless gas Z. The reactions is highly exothermic and the Z catches fire immediately during the reaction. The solution of Y in water on reacting with stoichiometric amount of dilute solution of hydrochloric acid gives a solution of pH = 7.0. The compounds X, Y and Z respectively are:
A silvery white metal X reacts with water at room temperature to produce a water soluble compound Y and a colourless gas Z. The reactions is highly exothermic and the Z catches fire immediately during the reaction. The solution of Y in water on reacting with stoichiometric amount of dilute solution of hydrochloric acid gives a solution of pH = 7.0. The compounds X, Y and Z respectively are:
A geo-stationary satellite is orbiting around earth at height of 30,000 km in circular orbit. The radius of the earth is taken as 6000 km. The geo-stationary satellite comes back to its position after one revolution in exactly 24 hours. Let the acceleration due to gravity (g) be 10 and mass of satellite be 1000 kg; calculate the work done in 12 hours when moving under gravitational force.
A geo-stationary satellite is orbiting around earth at height of 30,000 km in circular orbit. The radius of the earth is taken as 6000 km. The geo-stationary satellite comes back to its position after one revolution in exactly 24 hours. Let the acceleration due to gravity (g) be 10 and mass of satellite be 1000 kg; calculate the work done in 12 hours when moving under gravitational force.
Three rings P, Q and R are dropped at the same time over identical hollow magnets as shown below :
Which of the following describes the order in which the ring P, Q and R reach the bottom of the magnet?
Three rings P, Q and R are dropped at the same time over identical hollow magnets as shown below :
Which of the following describes the order in which the ring P, Q and R reach the bottom of the magnet?
भारतीय संविधानाच्या कलम .........ने या स्वायत्त यंत्रणेची निर्मिती झाली आहे.
भारतीय संविधानाच्या कलम .........ने या स्वायत्त यंत्रणेची निर्मिती झाली आहे.
An element C has 7 electrons in its L shell. What is true about the element X?
I. It belongs to period 9 of modern periodic table.
II. Its atom contains 9 protons.
III. It has a valency of 7.
IV. Its atoms can accept an electron to acquire noble gas configuration.
An element C has 7 electrons in its L shell. What is true about the element X?
I. It belongs to period 9 of modern periodic table.
II. Its atom contains 9 protons.
III. It has a valency of 7.
IV. Its atoms can accept an electron to acquire noble gas configuration.