NSO Level 1- Science Olympiad (SOF) Class 8: Questions 880 - 887 of 1076

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Question number: 880

» Sound

Edit
MCQ▾

Question

Number of oscillations per second is called

Choices

Choice (4) Response

a.

Frequency

b.

Amplitude

c.

Vibration

d.

Wavelength

Question number: 881

» Sound

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MCQ▾

Question

The vibrating part in our ear is called

Choices

Choice (4) Response

a.

Ear Drum

b.

Cochlea

c.

Vocal cord

d.

Ear canal

Question number: 882

» Sound

Edit
MCQ▾

Question

Find the incorrect statement about sound

1) Women produce sounds with higher pitch than men

2) Men produce sound with higher amplitude than women

3) Loudness of a sound is proportional to its amplitude

4) Pitch of a sound is proportional to its amplitude

Choices

Choice (4) Response

a.

4

b.

3

c.

1

d.

2

Question number: 883

» Sound

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MCQ▾

Question

Sound helps us to

Choices

Choice (4) Response

a.

Grow

b.

Move

c.

East

d.

Communicate

Question number: 884

» Sound

Edit
MCQ▾

Question

Which of these statements are incorrect about sound?

Choices

Choice (4) Response

a.

Sound waves are longitudinal waves

b.

Sound travels faster than light

c.

Sound cannot travel in vacuum

d.

Sound needs a medium to travel

Question number: 885

» Sound

Edit
MCQ▾

Question

The most depressed point on a wave is called the

Choices

Choice (4) Response

a.

Crest

b.

Trough

c.

Wavelength

d.

Amplitude

Question number: 886

» Sound

Edit
MCQ▾

Question

This insect does not make sound by the vibration of wings

Choices

Choice (4) Response

a.

Honey bee

b.

Beetle

c.

Butterflies

d.

Mosquito

Question number: 887

» Sound

Edit
MCQ▾

Question

The maximum elevated point on a wave is known the

Choices

Choice (4) Response

a.

Wavelength

b.

Trough

c.

Amplitude

d.

Crest

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