NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1407 - 1413 of 2000

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Question number: 1407

» Physics » Sound

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MCQ▾

Question

If time taken to hear a sound far from the source of sound is on the surface of earth, then time taken to hear same sound for same distance on the surface of moon is:

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 1408

» Physics » Gravitation & Pressure

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MCQ▾

Question

At what height from the surface of the earth will the value of be reduced by from its value at the surface? (Radius of the earth is equal to )

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1409

» Biology » Diversity of Living Organisms

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MCQ▾

Question

Groups of individuals closely related in term of structure & function is known as

Choices

Choice (4) Response

a.

Class

b.

Genus

c.

Phylum

d.

Species

Question number: 1410

» Chemistry » Atoms & Molecules

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MCQ▾

Question

A sample of an oxide of nitrogen is found to contain nitrogen. What is its empirical formula?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1411

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Calculate the weight of moles of .

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1412

» Physics » Force & Laws of Motion

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MCQ▾

Question

By which property of matter, matter remains its existing state of uniform motion in straight line or rest?

Choices

Choice (4) Response

a.

Impulse

b.

Instantaneous velocity

c.

Momentum

d.

Inertia

Question number: 1413

» Physics » Work, Energy & Power

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MCQ▾

Question

A girl of mass is swinging on a swing from rest. If she moving with a velocity of upward in a direction making an angle with the vertical, then power delivered by the girl is:

Choices

Choice (4) Response

a.

b.

0

c.

d.

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