NSO Level 1- Science Olympiad (SOF) Class 9: Questions 976 - 983 of 1123

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Question number: 976

» Physics » Sound

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MCQ▾

Question

When the speed of any object exceeds the speed of sound, it is said to be travelling in

Choices

Choice (4)Response

a.

Supersonic speed

b.

Ultrasonic speed

c.

Giga volt speed

d.

Mega sonic speed

Question number: 977

» Physics » Sound

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MCQ▾

Question

The sound produced due to a mixture of several frequencies is called a

Choices

Choice (4)Response

a.

Tone

b.

Note

c.

Pitch

d.

Noise

Question number: 978

» Physics » Sound

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MCQ▾

Question

A person has a hearing range from to what are the typical wavelengths of sound waves in air corresponding to those two frequencies.

Choices

Choice (4)Response

a.

b.

c.

d.

Passage

Direction: Study the picture carefully and answer questions below.

The wavelength of the curve

The Wavelength of the Curve

Question number: 979 (1 of 5 Based on Passage) Show Passage

» Physics » Sound

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MCQ▾

Question

In the given picture, X refers to

Choices

Choice (4)Response

a.

Wavelength

b.

Amplitude

c.

Crest

d.

Trough

Question number: 980 (2 of 5 Based on Passage) Show Passage

» Physics » Sound

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MCQ▾

Question

In the given picture, T refers to

Choices

Choice (4)Response

a.

Amplitude

b.

Trough

c.

Time period

d.

Wavelength

Question number: 981 (3 of 5 Based on Passage) Show Passage

» Physics » Sound

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MCQ▾

Question

In the given picture, Z refers to

Choices

Choice (4)Response

a.

Trough

b.

Frequency

c.

Wavelength

d.

Amplitude

Question number: 982 (4 of 5 Based on Passage) Show Passage

» Physics » Sound

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MCQ▾

Question

In the given picture, Y refers to

Choices

Choice (4)Response

a.

Trough

b.

Crest

c.

Amplitude

d.

Wavelength

Question number: 983 (5 of 5 Based on Passage) Show Passage

» Physics » Sound

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MCQ▾

Question

Consider the curve from F to K. The point that denotes half of the wavelength of the curve will be

Choices

Choice (4)Response

a.

Point I

b.

Point H

c.

Point G

d.

Point J

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