Physics-Gravitation & Pressure (NSTSE (National Science Talent Search Exam- Unified Council) Class 9): Questions 1 - 6 of 55

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Question number: 1

» Physics » Gravitation & Pressure

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What is the mass of a body on moon, if that is on the earth is ?

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Choice (4) Response

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b.

c.

d.

Question number: 2

» Physics » Gravitation & Pressure

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What will be the acceleration due to gravity at height from the surface of the earth? Take the radius of the earth is . (Ignore the variation in due to the earth’s rotation and small departure from the spherical shape. )

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Choice (4) Response

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d.

Question number: 3

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Consider a planet, which mass is of mass of earth and its radius is twice of earth’s radius. The weight of an object on that planet, which mass is on the surface of earth, is:

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Choice (4) Response

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d.

Question number: 4

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The weight of an object of mass is:

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d.

Question number: 5

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Calculate the height, at where weight of a body becomes of weight, when it is on the surface of earth. The radius of earth is .

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Choice (4) Response

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b.

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r

d.

Question number: 6

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If an object floats with of its volume inside the water and of its volume inside the liquid, then the relative density of the liquid is:

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Choice (4) Response

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3

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2

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d.

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