NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1261 - 1266 of 2000

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Question number: 1261

» Physics » Motion

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Question

A bus is moving with uniform speed and covers . Another distance covered with uniform speed . Therefore total time taken by bus is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1262

» Physics » Force & Laws of Motion

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Question

A metal block of mass is suspended from the ceiling of room through a chain of mass . The ceiling pulls the chain by a force of:

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Choice (4) Response

a.

b.

c.

d.

Question number: 1263

» Physics » Motion

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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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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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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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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.

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