NSO Level 1- Science Olympiad (SOF) Class 8: Questions 872 - 879 of 1076

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Question number: 872

» Sound

Edit
MCQ▾

Question

Find out the incorrect statements about sound

1) Sound is propagated in the form of waves

2) Sound needs a medium to propagate

3) Sound propagates through vacuum

Choices

Choice (4) Response

a.

1 and 3

b.

3

c.

1 and 2

d.

All of the above

Question number: 873

» Sound

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MCQ▾

Question

The sound with frequency below is called

Choices

Choice (4) Response

a.

Audible sound

b.

Ultra sound

c.

Infra sound

d.

All of the above

Question number: 874

» Sound

Edit
MCQ▾

Question

Pitch of the sound is determined by its

Choices

Choice (4) Response

a.

Frequency

b.

Amplitude

c.

Loudness

d.

Wavelength

Question number: 875

» Sound

Edit
MCQ▾

Question

The loudness of a sound is determined by its

Choices

Choice (4) Response

a.

Speed

b.

Amplitude

c.

Number of oscillations

d.

Frequency

Question number: 876

» Sound

Edit
MCQ▾

Question

The loudness of normal breathing is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 877

» Sound

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MCQ▾

Question

Which of the following produces noise?

Choices

Choice (4) Response

a.

Sound of a cuckoo

b.

Guitar

c.

Drum

d.

Cawing of a crow

Question number: 878

» Sound

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MCQ▾

Question

The sound with frequency between 20 Hz and 20000Hz is known as

Choices

Choice (4) Response

a.

Ultra sound

b.

Audible sound

c.

Infra sound

d.

Question does not provide sufficient data or is vague

Question number: 879

» Sound

Edit
MCQ▾

Question

Sound do not travel through

Choices

Choice (4) Response

a.

Liquids

b.

Solid

c.

Gases

d.

Vacuum

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