NSO Level 1- Science Olympiad (SOF) Class 9: Questions 940 - 946 of 1123

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Passage

DIRECTION: A boy throws a ball on a wall with different velocities and the ball bounces back as shown in the figure. Observe the pictures carefully and answer questions below.

The ball bounces back as shown in the figure

The Ball Bounces Back as Shown in the Figure

The ball bounces back as shown in the figure

Question number: 940 (2 of 4 Based on Passage) Show Passage

» Physics » Force & Laws of Motion

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MCQ▾

Question

If the same ball is used in both the cases, in which case the momentum would be greater?

Choices

Choice (4) Response

a.

Case II

b.

Case I

c.

Question does not provide sufficient data or is vague

d.

All of the above

Question number: 941 (3 of 4 Based on Passage) Show Passage

» Physics » Force & Laws of Motion

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MCQ▾

Question

In which case the velocity change would be greater?

Choices

Choice (4) Response

a.

Case II

b.

Case I

c.

All of the above

d.

Question does not provide sufficient data or is vague

Question number: 942 (4 of 4 Based on Passage) Show Passage

» Physics » Force & Laws of Motion

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MCQ▾

Question

In which case the acceleration would be greater?

Choices

Choice (4) Response

a.

Case I

b.

Case II

c.

Question does not provide sufficient data or is vague

d.

None of the above

Question number: 943

» Physics » Sound

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MCQ▾

Question

An unpleasant sound is called as

Choices

Choice (4) Response

a.

Noise

b.

Reverberation

c.

Pitch

d.

Loudness

Question number: 944

» Physics » Sound

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MCQ▾

Question

Sound produced by a thunderstorm is heard 10s after the lightning is seen. Calculate the approximate distance of the thundercloud. (Speed of sound in air )

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 945

» Physics » Sound

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MCQ▾

Question

Infrasound can be heard by

Choices

Choice (4) Response

a.

Humans

b.

Rhinoceros

c.

Bat

d.

Rat

Question number: 946

» Physics » Force & Laws of Motion

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MCQ▾

Question

Everybody continues its state of rest or of uniform motion in a straight line unless it is compelled by an external force to change that state. This is

Choices

Choice (4) Response

a.

Newton’s Second Law of Motion

b.

Law of conservation of Momentum

c.

Newton’s First Law of Motion

d.

Newton’s Third Law of Motion

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