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Questions

Question (1)

QN003701

Sound is produced when an object

(A) melts
(B) vibrates
(C) shines
(D) dissolves

Correct Answer: B

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Question (2)

QN003702

In the rubber band activity, sound stopped when the rubber band

(A) became loose
(B) cooled down
(C) stopped vibrating
(D) touched the box

Correct Answer: C

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Question (3)

QN003703

Which of the following is called the source of sound?

(A) Object that absorbs sound
(B) Object that produces sound
(C) Object that reflects sound
(D) Object that blocks sound

Correct Answer: B

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Question (4)

QN003704

In humans, sound is produced mainly due to vibration of

(A) tongue
(B) teeth
(C) vocal cords
(D) lungs

Correct Answer: C

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Question (5)

QN003705

The vocal cords are located inside the

(A) cochlea
(B) larynx
(C) nasal cavity
(D) diaphragm

Correct Answer: B

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Question (6)

QN003706

A tuning fork is usually made of

(A) wood
(B) rubber
(C) steel or aluminium
(D) plastic

Correct Answer: C

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Question (7)

QN003707

Waves formed on water when a vibrating tuning fork touched it prove that the tuning fork

(A) is magnetic
(B) is hot
(C) is vibrating
(D) is expanding

Correct Answer: C

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Question (8)

QN003708

Sound can travel through

(A) solids only
(B) gases only
(C) liquids and gases only
(D) solids, liquids and gases

Correct Answer: D

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Question (9)

QN003709

The material through which sound propagates is called

(A) vacuum
(B) medium
(C) reflector
(D) oscillator

Correct Answer: B

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Question (10)

QN003710

Sound cannot propagate in

(A) air
(B) water
(C) steel
(D) vacuum

Correct Answer: D

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