NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1556 - 1562 of 2000

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Question number: 1556

» Physics » Work, Energy & Power

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MCQ▾

Question

Two particles of same mass are moving with kinetic energies and . Then ratio of their momenta is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1557

» Physics » Gravitation & Pressure

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MCQ▾

Question

An artificial satellite moves in the orbits of radius around the earth. The acceleration of such a satellite assuming that the only force acting on it is that due to the earth is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1558

» Physics » Motion

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MCQ▾

Question

If the slope of velocity – time graph is negative, then the motion is:

Choices

Choice (4) Response

a.

Retarded

b.

Uniform acceleration

c.

Uniform velocity

d.

Accelerated

Question number: 1559

» Biology » Diversity of Living Organisms

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MCQ▾

Question

Exit of water in sponges takes place through

Choices

Choice (4) Response

a.

Osculum

b.

Cloaca

c.

Ostia

d.

None of the above

Question number: 1560

» Physics » Force & Laws of Motion

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MCQ▾

Question

If identical particles of masses and are moving with velocities and , respectively; then the ratio of their kinetic energy is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1561

» Biology » Diversity of Living Organisms

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MCQ▾

Question

Animals that don’t have backbone is known as

Choices

Choice (4) Response

a.

Vertebrate

b.

Annelids

c.

Invertebrate

d.

Arthropods

Question number: 1562

» Physics » Force & Laws of Motion

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MCQ▾

Question

If two bodies are in contact, then the direction of force of friction between these two bodies is:

Choices

Choice (4) Response

a.

Parallel to the contact surface

b.

Inclined at to the contact surface

c.

Normal to the contact surface

d.

Inclined at to the contact surface

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