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

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1. The longitudinal waves can propagate only in a:

solids
liquids
gases
all the above

2. A transverse wave 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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