NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1385 - 1391 of 2000

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Question number: 1385

» Physics » Work, Energy & Power

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Question

If two particles of masses and are moving with equal kinetic energies, then the ratio of their linear momenta is:

Choices

Choice (4)Response

a.

b.

3

c.

d.

9

Question number: 1386

» Biology » Diversity of Living Organisms

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Question

Which of the following features describe the sponges?

Choices

Choice (4)Response

a.

Choanocytes

b.

Presence of one exit and many mouthlets

c.

Presence of canal system

d.

All a. , b. and c. are correct

Question number: 1387

» Biology » Diversity of Living Organisms

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Question

In sponges, choanocytes are located in

Choices

Choice (4)Response

a.

Inner Layer

b.

Outer layer

c.

Question does not provide sufficient data or is vague

d.

All of the above

Question number: 1388

» Physics » Force & Laws of Motion

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Question

If velocity of body is increase from to in due to force acting on body, then the mass of the body is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1389

» Physics » Work, Energy & Power

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MCQ▾

Question

A ball is dropped from a height and rebounds to height of . The loss of energy is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1390

» Physics » Work, Energy & Power

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Question

If a motor pumps out water from a well , then the quantity of water pumped out per second is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1391

» Physics » Force & Laws of Motion

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MCQ▾

Question

A car of mass travelling hits a concrete wall and comes to a stop in . The magnitude of average force acting on the car to stop by wall:

Choices

Choice (4)Response

a.

b.

c.

d.

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