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

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## Question number: 1261

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MCQ▾

### 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

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MCQ▾

### 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:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1263

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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

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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

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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

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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.

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