NSO Level 1- Science Olympiad (SOF) Class 9: Questions 960 - 966 of 1123

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Question number: 960

» Physics » Sound

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MCQ▾

Question

Sound is a form of

Choices

Choice (4) Response

a.

Particles

b.

Waves

c.

Energy

d.

None of the above

Passage

Direction: Study the picture carefully and answer questions below.

Image shows the parts of ear

Image Shows the Parts of Ear

Image shows the parts of ear

Question number: 961 (1 of 5 Based on Passage) Show Passage

» Physics » Sound

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MCQ▾

Question

How many bones do the middle ear consists of?

Choices

Choice (4) Response

a.

3

b.

2

c.

4

d.

1

Question number: 962 (2 of 5 Based on Passage) Show Passage

» Physics » Sound

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MCQ▾

Question

Identify a bone present in the middle ear.

Choices

Choice (4) Response

a.

Oval window

b.

Cochlea

c.

Anvil

d.

Pinna

Question number: 963 (3 of 5 Based on Passage) Show Passage

» Physics » Sound

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MCQ▾

Question

In the picture, the function of labelled part Y is to

Choices

Choice (4) Response

a.

Amplify the vibrations produced inside the ear

b.

Collect the sound from its surroundings

c.

Send the electrical signals to the brain

d.

Convert the pressure variations into electrical signals

Question number: 964 (4 of 5 Based on Passage) Show Passage

» Physics » Sound

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MCQ▾

Question

In the picture, the function of inner ear is

Choices

Choice (4) Response

a.

To convert the pressure variations into electrical signals

b.

To send the electrical signals to the brain

c.

To collect the sound from its surroundings

d.

To amplify the vibrations produced inside the ear

Question number: 965 (5 of 5 Based on Passage) Show Passage

» Physics » Sound

Edit
MCQ▾

Question

In the picture, the function of labelled part X is

Choices

Choice (4) Response

a.

To convert the pressure variations into electrical signals

b.

To collect the sound from its surroundings

c.

To amplify the vibrations produced inside the ear

d.

To send the electrical signals to the brain

Question number: 966

» Physics » Sound

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MCQ▾

Question

Using sound absorbent materials can reduce

Choices

Choice (4) Response

a.

Reverberation

b.

Loudness

c.

Noise

d.

Pitch

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