# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1575 - 1581 of 2000

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## Passage

Displacement of a progressive wave at different interval of time is shown in the graph. Study it carefully and answers the questions:

## Question number: 1575 (1 of 4 Based on Passage) Show Passage

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MCQ▾

### Question

If the speed of given progressive wave is , then the wavelength of the wave is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1576 (2 of 4 Based on Passage) Show Passage

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MCQ▾

### Question

Amplitude of the given progressive wave is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1577 (3 of 4 Based on Passage) Show Passage

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MCQ▾

### Question

Frequency of the wave is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1578 (4 of 4 Based on Passage) Show Passage

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MCQ▾

### Question

Time period of the wave is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1579

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MCQ▾

### Question

A body of mass kept at rest breaks into two parts due to internal forces. One part of mass is travel with velocity towards south Therefore velocity of other part is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1580

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MCQ▾

### Question

A body, which has no airspace, is of mass and volume is put in water. The body will:

### Choices

Choice (4) Response

a.

Partially sink

b.

Float

c.

Sink

d.

All of the above

## Question number: 1581

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MCQ▾

### Question

A ball of mass , moving with speed of , has a head on collision with stationary ball of mass . If after the collision, the two balls moves together, the loss in kinetic energy due to collision is:

### Choices

Choice (4) Response

a.

b.

c.

d.

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