NSO Level 1- Science Olympiad (SOF) Class 9: Questions 992 - 997 of 1123

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Question number: 992

» Physics » Sound

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MCQ▾

Question

The ceilings of the cinema hall are

Choices

Choice (4) Response

a.

Flattened

b.

Curved

c.

Cuboidal

d.

Straightened

Question number: 993

» Physics » Force & Laws of Motion

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MCQ▾

Question

The inertia of an object always tends the object to

Choices

Choice (4) Response

a.

Resist any change in state

b.

Come back to rest

c.

Increase the velocity

d.

Decrease the speed

Question number: 994

» Physics » Sound

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MCQ▾

Question

As the temperature of a medium increases, the velocity of sound passing through that medium

Choices

Choice (4) Response

a.

Decreases

b.

Remains the same

c.

Increases

d.

All of the above

Question number: 995

» Physics » Force & Laws of Motion

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MCQ▾

Question

Here are some points to compare velocity and momentum. Some points are wrongly given. Pick out the incorrect ones.

Table of the compare velocity and momentum

Table of the compare velocity and momentum

Point

Momentum

Velocity

1.

The product of mass and velocity

The ratio of distance to time

2.

Is a vector quantity

Is a scalar quantity

3.

Rate of change is directly proportional to the force.

Rate of change is directly proportional to the force.

Choices

Choice (4) Response

a.

2

b.

1 and 3

c.

1 and 2

d.

2 and 3

Question number: 996

» Physics » Sound

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MCQ▾

Question

A kind of rapid to and fro motion of an object could be its

Choices

Choice (4) Response

a.

Loudness

b.

Sonic boom

c.

Echo

d.

Vibration

Question number: 997

» Physics » Sound

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MCQ▾

Question

The physiological response of the ear to the intensity of sound is called

Choices

Choice (4) Response

a.

Loudness

b.

Vibration

c.

Oscillation

d.

Echo

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