NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1392 - 1398 of 2000
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Question number: 1392
Question number: 1393
» Chemistry » Atoms & Molecules
Question
What is the mass of one atom of silver?
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Question number: 1394
» Physics » Gravitation & Pressure
Question
If that is on the earth is , then the weight of a body on moon is about:
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Question number: 1395
» Physics » Gravitation & Pressure
Question
An astronaut on a planet measures the acceleration due to gravity to be . He knows that the radius of this planet is about times that of the earth. The ratio of the mass of earth to mass of this planet is:
(The acceleration due to gravity on the earth’s surface is )
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a. | 85 | |
b. | 100 | |
c. | 60 | |
d. | 72 | |
Question number: 1396
» Physics » Work, Energy & Power
Question
A stationary particle explodes into two particles of masses and which move in opposite directions with velocities and . The ratio of their kinetic energy is:
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