NSO Level 1- Science Olympiad (SOF) Class 8: Questions 888 - 895 of 1076

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Question number: 888

» Sound

Edit
MCQ▾

Question

Part of human ear, which amplifies the sound, is

Choices

Choice (4) Response

a.

Tympanic membrane

b.

Middle ear

c.

Stirrup

d.

Hammer

Question number: 889

» Sound

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MCQ▾

Question

Sound is transmitted through a media in the form of

Choices

Choice (4) Response

a.

Radiuses

b.

Water waves

c.

Pressure waves

d.

Question does not provide sufficient data or is vague

Question number: 890

» Sound

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MCQ▾

Question

Which of the following produces music?

Choices

Choice (4) Response

a.

Guitar

b.

Machine

c.

Automobiles

d.

Jet engine

Question number: 891

» Sound

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MCQ▾

Question

The form of energy, which gives us the sensation of hearing, is known as

Choices

Choice (4) Response

a.

Light

b.

Heat

c.

Sound

d.

All of the above

Question number: 892

» Sound

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MCQ▾

Question

A sound which is pleasant to hear is called a

Choices

Choice (4) Response

a.

Noise

b.

Alarm

c.

Music

d.

None of the above

Question number: 893

» Sound

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MCQ▾

Question

A boy bursts a firecracker standing against a wall away from the wall. How long will it take for him to hear the echo after hearing the original sound?

Hint: velocity of sound is

Choices

Choice (4) Response

a.

16hr

b.

2 second

c.

0.5 second

d.

1 second

Question number: 894

» Sound

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MCQ▾

Question

The unit of frequency of sound is

Choices

Choice (4) Response

a.

Ampere

b.

Decibel

c.

Volt

d.

Hertz

Question number: 895

» Sound

Edit
MCQ▾

Question

The doctor examined Kashish with a medical instrument. He kept the instrument around his chest and listened carefully while keeping its other end in his ears. This instrument is a

Choices

Choice (4) Response

a.

Stethoscope

b.

Thermometer

c.

Syringe

d.

Barometer

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