NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1263 - 1268 of 2000

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Question number: 1263

» Physics » Motion

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MCQ▾

Question

Two blocks of different masses and are dropped from two different heights and respectively. The ratio of the time taken to reach the ground is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1264

» Physics » Motion

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MCQ▾

Question

A bus covers first half distance between two station at a speed of and remaining half distance between two station at speed of . The average speed of the bus is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1265

» Physics » Work, Energy & Power

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MCQ▾

Question

The work done by a student in lifting a block from the ground and keeping it on a shelf of height is:

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question number: 1266

» Physics » Work, Energy & Power

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MCQ▾

Question

A ball is projected vertically upward with a kinetic energy . If it goes up to a maximum height of , then the mass of the ball is approximately:

Choices

Choice (4)Response

a.

b.

c.

d.

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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MCQ▾

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

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