NSO Level 1- Science Olympiad (SOF) Class 8: Questions 882 - 888 of 1175

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Question 882

Question

MCQ▾

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 883

Question

MCQ▾

Sound helps us to

Choices

Choice (4)Response

a.

Grow

b.

Move

c.

East

d.

Communicate

Question 884

Question

MCQ▾

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 885

Question

MCQ▾

The most depressed point on a wave is called the

Choices

Choice (4)Response

a.

Crest

b.

Trough

c.

Wavelength

d.

Amplitude

Question 886

Question

MCQ▾

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 887

Question

MCQ▾

The maximum elevated point on a wave is known the

Choices

Choice (4)Response

a.

Wavelength

b.

Trough

c.

Amplitude

d.

Crest

Question 888

Question

MCQ▾

Part of human ear, which amplifies the sound, is

Choices

Choice (4)Response

a.

Tympanic membrane

b.

Middle ear

c.

Stirrup

d.

Hammer

Developed by: