NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1399 - 1404 of 2000

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Question number: 1399

» Physics » Motion

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MCQ▾

Question

A particle covers equal distances in equal time interval. It means that –

Choices

Choice (4)Response

a.

Particle moving with constant acceleration

b.

The displacement of the particle is zero

c.

Time taken by a particle for any distance will be same

d.

Particle moving with constant speed

Question number: 1400

» Physics » Work, Energy & Power

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MCQ▾

Question

If a person does work in and another person does of work in , then the ratio of power delivered by to that by is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1401

» Physics » Sound

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MCQ▾

Question

If sound moves from liquid to solid state, then speed of sound:

Choices

Choice (4)Response

a.

Decreases

b.

Remains same

c.

May b increases or decreases

d.

Increases

Question number: 1402

» Chemistry » Atoms & Molecules

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MCQ▾

Question

How much volume does moles of contain?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1403

» Physics » Force & Laws of Motion

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MCQ▾

Question

A stone of mass is thrown with a velocity of across the frozen surface of a lake and comes to rest after travelling a distance of . What is the force of friction between the stone and the ice?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1404

» Physics » Gravitation & Pressure

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MCQ▾

Question

If the radius of the earth shrinks by and there is no change in its mass, the value of acceleration due to gravity will change by:

Choices

Choice (4)Response

a.

b.

c.

d.

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