NSO Level 1- Science Olympiad (SOF) Class 8: Questions 896 - 903 of 1076

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Question number: 896

» Sound

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MCQ▾

Question

In monsoon, John heard the sound of thunder 10 seconds after the lightning was seen.

The distance between him and the clouds where thunder and lightning occurred would be (hint: velocity of sound is )

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 897

» Sound

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MCQ▾

Question

The maximum deviation of a point from the mean position in the wave is known as

Choices

Choice (4) Response

a.

Trough

b.

Crest

c.

Amplitude

d.

Wavelength

Question number: 898

» Sound

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MCQ▾

Question

Sound is produced by

Choices

Choice (4) Response

a.

Rotation

b.

Vibration

c.

Movement

d.

Question does not provide sufficient data or is vague

Question number: 899

» Sound

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MCQ▾

Question

Generally, birds produce sound through a special organ known as

Choices

Choice (4) Response

a.

Beaks

b.

Pharynx

c.

Syrinx

d.

larynx

Question number: 900

» Sound

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MCQ▾

Question

The loudness of a sound depends on its

Choices

Choice (4) Response

a.

Wavelength

b.

Amplitude

c.

Frequency

d.

All of the above

Question number: 901

» Sound

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MCQ▾

Question

The sound that reaches back to our ears after striking on an obstacle is known as

Choices

Choice (4) Response

a.

Echo

b.

Repetition

c.

Refection

d.

None of the above

Question number: 902

» Sound

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MCQ▾

Question

Human beings produce sound by the vibration of

Choices

Choice (4) Response

a.

Throat

b.

Vocal cord

c.

Tongue

d.

Nose

Question number: 903

» Synthetic Fibres and Plastics

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MCQ▾

Question

The phenomenon in which energy is transferred from one point to another without direct contact between the points is known as

Choices

Choice (4) Response

a.

Transmission

b.

Propagation

c.

Wave

d.

Emission

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