The period of a periodic wave is 0.02 s. At a particular position, there is a crest at t = 0. A trough appears at this position at t =
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The period of a periodic wave is 0.02 s. At a particular position, there is a crest at t = 0. A trough appears at this position at t =
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Answer:
b)0.01 sec
Explanation:
The period of a periodic wave means one cycle of the wave. It consists of one trough and one crest.
Time for a period of periodic wave = 0.02 sec
Time where a crest started= t = 0
So after a crest there is a trough.
Time taken for a trough to happen= Total time for a period ÷ 2 ( time starts with 0 sec)
= 0.02÷2
=0.01 sec
Therefore,the trough will appear at the position t = 0.01 sec
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