NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1582 - 1587 of 2000

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Question number: 1582

» Physics » Force & Laws of Motion

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MCQ▾

Question

If we apply two equal magnitude of force in opposite direction to a table lying on the ground, than table:

Choices

Choice (4) Response

a.

Must move with uniform speed

b.

Must move along a circle

c.

Must be accelerated

d.

Must remain at rest

Question number: 1583

» Physics » Work, Energy & Power

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MCQ▾

Question

If two particles of same mass are travelling with speeds and respectively, then the ratio of their kinetic energies is:

Choices

Choice (4) Response

a.

b.

c.

1

d.

Question number: 1584

» Physics » Work, Energy & Power

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MCQ▾

Question

An engine develops of power. How much time will it take to lift a mass of to a height of .

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1585

» Physics » Gravitation & Pressure

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Question

An astronaut of weight feel heavier, when a space vehicle is moving vertically upward with a constant acceleration . When will the astronauts weight becomes ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1586

» Physics » Sound

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MCQ▾

Question

A ball dropped from the top of a building of height splashes into a pool of water at its base. Time taken by sound of the splash heard at the top is:

(Velocity of sound and )

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1587

» Physics » Motion

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MCQ▾

Question

A cycle is moved with an initial velocity of is subject to a uniform acceleration of . The displacement of in next is –

Choices

Choice (4) Response

a.

b.

c.

d.

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