NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1378 - 1382 of 2000

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Question number: 1378

» Physics » Force & Laws of Motion

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Question

Because of impulse, the change in momentum of an object is . If the time of impulse is , the force produced in it is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1379

» Physics » Motion

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Question

A block is left free on a frictionless inclined plane as shown in the figure. It takes to reach the bottom of the plank. What time would it take to slide from point A to point B?

A block slide on inclined plane

A Block Slide on Inclined Plane

In figure a block slide on inclined plane

Choices

Choice (4) Response

a.

b.

c.

d.

Passage

The following table shows the data recorded for a bike rider. Study it carefully and answer the questions that are below the table.

Data recorded for bike rider

In above table data recorded for bike rider is given.

Question number: 1380 (1 of 3 Based on Passage) Show Passage

» Physics » Force & Laws of Motion

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MCQ▾

Question

Which of the following correctly represented the Speed – Time graph for given data:

Choices

Choice (4) Response

a.

Graph of Speed – Time : Choice – A

Graph of Speed – Time: Choice – A

In figure graph of speed – time is shown.

b.

Graph of Speed – Time : Choice – B

Graph of Speed – Time: Choice – B

In figure graph of speed – time is shown.

c.

Graph of Speed – Time : Choice – C

Graph of Speed – Time: Choice – C

In figure graph of speed – time is shown.

d.

Graph of Speed – Time : Choice – D

Graph of Speed – Time: Choice – D

In figure graph of speed – time is shown.

Question number: 1381 (2 of 3 Based on Passage) Show Passage

» Physics » Force & Laws of Motion

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Question

The speed of bike is:

Choices

Choice (4) Response

a.

Uniform

b.

Can be uniform and non uniform

c.

Cannot be determined

d.

Non uniform

Question number: 1382 (3 of 3 Based on Passage) Show Passage

» Physics » Force & Laws of Motion

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MCQ▾

Question

The bike rider moves with:

Choices

Choice (4) Response

a.

Variable acceleration

b.

Uniform speed

c.

Non-uniform speed

d.

Constant acceleration

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