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Question (1)

QN0038577

Sound waves transfer

(A)
energy
(B)
momentum
(C)
both energy and momentum
(D)
only energy not momentum

Correct Answer: C

Explanation:

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Question (2)

QN0038578

For a transverse wave travelling along a straight line, the distance between two peaks (crests) is , while the distance between one crest and one trough is . The possible wavelengths (in ) of the waves are :

(A)
(B)
(C)
.
(D)

Correct Answer: B

Explanation:

Given : Distance between one crest and one trough

Distance between two crests .

Here and are integer.

Hence possible wavelengths metre

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Question (3)

QN0038579

For which of the following do the longitudinal waves exist?

(A)
Vacuum
(B)
Air
(C)
Water
(D)
Both (b) and (c)

Correct Answer: D

Explanation:

Longitudinal waves like sound require material medium.

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Question (4)

QN0038580

Sound travels in rocks in the form of

(A)
longitudinal elastic waves only
(B)
transverse elastic waves only
(C)
both longitudinal and transverse elastic waves
(D)
non-elastic waves

Correct Answer: C

Explanation:

Sound can travel longitudinally as well as transversly in solids.

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Question (5)

QN0038581

When a sound wave goes from one medium to another, the quantity that remains unchanged is

(A)
frequency
(B)
wavelength
(C)
amplitude
(D)
speed

Correct Answer: A

Explanation:

Frequency of wave is a function of the source of waves. Therefore, it remains unchanged.

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Question (1)

Sound waves transfer

Explanation:

Link:

Question (2)

For a transverse wave travelling along a straight line, the distance between two peaks (crests) is , while the distance between one crest and one trough is . The possible wavelengths (in ) of the waves are :

Explanation:

Link:

Question (3)

For which of the following do the longitudinal waves exist?

Explanation:

Link:

Question (4)

Sound travels in rocks in the form of

Explanation:

Link:

Question (5)

When a sound wave goes from one medium to another, the quantity that remains unchanged is

Explanation:

Link:

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