Physics (NSTSE (National Science Talent Search Exam- Unified Council) Class 9): Questions 1 - 5 of 285

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Question number: 1

» Physics » Gravitation & Pressure

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Question

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 » Motion

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Question

A ball of mass is dropped from the top of a tower of height . Simultaneously, a bullet of mass is fired from the foot of the tower upward with velocity of . At what time will the bullet and ball meet?

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Choice (4) Response

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d.

Question number: 3

» Physics » Sound

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A man starts walking away from the sound source, and he observes the frequency of sound, which he heard is different than frequency of sound source. It occurs because of:

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Choice (4) Response

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Resonance

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Interference of sound

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Reflection of sound

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Doppler’s effect

Question number: 4

» 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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b.

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d.

Question number: 5

» Physics » Motion

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Question

A bus is moving with uniform speed and covers . Another distance covered with uniform speed . Therefore total time taken by bus is –

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Choice (4) Response

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b.

c.

d.

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