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14. Multiple choice question XIV

1. Time period of a wave in a medium is the time taken by:

a compression to pass through a point
a rarefaction to pass through a point
an oscillation to pass through a point
none of the above

2. Amplitude of a longitudinal wave in a medium:

(A) is the extent to which a medium gets compressed
(B) is the extent to which a medium gets rarefied
(C) either (A) or (B)
(D) none of the above

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