# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1307 - 1312 of 2000

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## Question number: 1307

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MCQ▾

### Question

Calculate the wavelength of radio wave of frequency . The speed of radio waves is .

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1308

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MCQ▾

### Question

Which of the following is an example of amphibians?

### Choices

Choice (4) Response

a.

Hydra

b.

Amoeba

c.

Earthworm

d.

Frog

## Question number: 1309

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MCQ▾

### Question

Two particles of equal masses move with uniform velocity and respectively. The ratio of their kinetic energy is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1310

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MCQ▾

### Question

If the distance – time graph of an object is shown as below, Distance – Time Graph In figure distance – time graph is shown.

Then the object is,

### Choices

Choice (4) Response

a.

At rest

b.

Moving with constant velocity

c.

Moving with constant acceleration

d.

None of the above

## Question number: 1311

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MCQ▾

### Question

If a cylinder rolls down on an inclined plane, then it consists of:

### Choices

Choice (4) Response

a.

only kinetic energy

b.

potential energy as well as kinetic energy

c.

only potential energy

d.

All of the above

## Question number: 1312

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MCQ▾

### Question

If an electric motor creates a tension of in a hoisting cable and reels it in at the rate of , then the power of the electric motor is:

### Choices

Choice (4) Response

a.

b.

c.

d.

Developed by: