NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1470 - 1476 of 2000

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Question number: 1470

» Physics » Work, Energy & Power

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MCQ▾

Question

The mass of a sphere is three times of the mass of another sphere . The sphere moves at velocity of the sphere . The ratio of the kinetic energy of sphere to that of is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1471

» Physics » Motion

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Question

In a steel block is released from a height of and an identical block made up of wooden is released from same height simultaneously, in vacuum, then which blocks reach the ground first?

Choices

Choice (4)Response

a.

Wooden block

b.

Steel block

c.

Steel and Wooden block reach at same time

d.

None of the above

Question number: 1472

» Physics » Motion

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Question

A man walks in first 10 min and in next . The velocity at the end of from the start is,

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1473

» Physics » Force & Laws of Motion

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MCQ▾

Question

The dimension formula of the impulse is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1474

» Biology » Diversity of Living Organisms

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MCQ▾

Question

Animals with backbone is known as

Choices

Choice (4)Response

a.

Arthropods

b.

Vertebrate

c.

Annelids

d.

Invertebrate

Question number: 1475

» Chemistry » Atoms & Molecules

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MCQ▾

Question

grams of water contains ________ moles

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1476

» Physics » Sound

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MCQ▾

Question

A sound source is having a frequency . Calculate numbers of vibration in a minute.

Choices

Choice (4)Response

a.

14400

b.

40

c.

240

d.

None of the above

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