NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1267 - 1272 of 2000

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Question number: 1267

» Physics » Sound

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MCQ▾

Question

The density of air is maximum at an instant, through which a sound wave is passing. The pressure at that point at same instant is:

Choices

Choice (4) Response

a.

Equal to atmospheric pressure

b.

Minimum

c.

Maximum

d.

Same as the density

Question number: 1268

» Biology » Diversity of Living Organisms

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Question

Arthropods have

Choices

Choice (4) Response

a.

Body is divided into Head, Thorax & abdomen

b.

Largest phylum

c.

Jointed appendages

d.

All a. , b. and c. are correct

Question number: 1269

» Physics » Gravitation & Pressure

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Question

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:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1270

» Physics » Motion

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MCQ▾

Question

A ball dropped from a building of height . If ball describes during its last second of fall, then the height of the building , and the time of fall are:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1271

» Physics » Motion

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MCQ▾

Question

The distances travelled by a body falling freely from rest in the second and forth seconds respectively are in the ratio:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1272

» Physics » Work, Energy & Power

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MCQ▾

Question

Potential energy of a particle is , when it is at height from the ground. Then what is the mass of the particle?

Choices

Choice (4) Response

a.

b.

c.

d.

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