NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1311 - 1317 of 2000

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Question number: 1311

» Physics » Work, Energy & Power

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MCQ▾

Question

If a cylinder rolls down on an inclined plane, then it consists of:

Choices

Choice (4)Response

a.

only kinetic energy

b.

potential energy as well as kinetic energy

c.

only potential energy

d.

All of the above

Question number: 1312

» Physics » Work, Energy & Power

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MCQ▾

Question

If an electric motor creates a tension of in a hoisting cable and reels it in at the rate of , then the power of the electric motor is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1313

» Biology » Diversity of Living Organisms

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Question

The unit of basic taxonomy is

Choices

Choice (4)Response

a.

Kingdom

b.

Genus

c.

Order

d.

Species

Question number: 1314

» Physics » Work, Energy & Power

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MCQ▾

Question

If the kinetic energy of a body is increased by , then the percentage increase in the linear momentum of the body is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1315

» Physics » Work, Energy & Power

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MCQ▾

Question

A bike is accelerated from to . The increase in kinetic energy is . Again, the bike is accelerated from to . The increase in kinetic energy is . The ratio of is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1316

» Chemistry » Atoms & Molecules

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MCQ▾

Question

The total number of moles of nitrogen in 7 g of nitrogen is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1317

» Physics » Gravitation & Pressure

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MCQ▾

Question

At what height over earth’s pole, the acceleration due to gravity decreases by ?

Choices

Choice (4)Response

a.

b.

c.

d.

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