# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1350 - 1355 of 2000

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## Question number: 1350

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MCQ▾

### Question

If a man hears thunder after he see the lightning, then how far the lightning occurs from that man?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1351

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MCQ▾

### Question

A ball of mass thrown upwards reaches a maximum height of calculate the work done by the force of gravity during this vertical displacement.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1352

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MCQ▾

### Question

Find the correct list of animals have 4 chambered heart

### Choices

Choice (4) Response

a.

Turtles, Crocodiles, Lizards

b.

Birds, Crocodiles, Mammals

c.

Birds, Amphibians, Reptiles

d.

Lizards, Mammals, Birds

## Question number: 1353

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MCQ▾

### Question

A body of mass at rest starts moving for with an acceleration of . The gain momentum of body is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1354

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MCQ▾

### Question

An object of mass is sliding with a constant velocity of on a frictionless horizontal table. The force required to keep the object moving with the same velocity is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1355

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MCQ▾

### Question

If a boy of mass climbs stairs of average height each in , then the power of a boy is:

### Choices

Choice (4) Response

a.

b.

c.

d.

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