Physics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 136 - 142 of 285

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Question number: 136

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Question

MCQ▾

A rubber ball and a stone are of same size, but masses are different . Which of the following has more inertia?

Choices

Choice (4)Response

a.

A stone

b.

A rubber ball

c.

Can’t be decide by given data

d.

A rubber ball and stone have same inertia

Question number: 137

Physics
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Question

MCQ▾

The unit of the average speed is –

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question number: 138

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Question

MCQ▾

At what height will a man’s weight be of weight on the surface of earth? ( is the radius of earth).

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 139

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Question

MCQ▾

If the potential energy of an object of mass is increased by when it raised through height ; then find the height :

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 140

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Question

MCQ▾

The acceleration due to gravity at a height of from the surface of the earth is approximately:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 141

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Question

MCQ▾

The acceleration due to gravity at the depth from the surface of the earth is:

The radius of earth is about .

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 142

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Question

MCQ▾

A boy kicked a stone with force but he got hurt. Because of which of the following properties of the stone did it happen?

Choices

Choice (4)Response

a.

Momentum

b.

Velocity

c.

Inertia

d.

Reaction