Multiple choice question V — task. Science CBSE, Class 9.

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1. In case of transverse waves the particles of a medium vibrate:

in the direction of wave propagation
opposite to the direction of wave propagation
at the right angles to the direction of wave propagation
none of the above

2. A longitudinal waves consists of:

(A) crest and troughs in the medium
(B) compressions and rarefactions in the medium
(C) both (A) and (B)
(D) neither (A), nor (B)

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