hey mate please solve this
ans. 100HZ
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Explanation:
30 crests and troughs in 0.3sec
1crest and trough in 0.3/30=1/100sec
frequency =1/time =1/1/100=100Hz .
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silent112:
it means trough not compulsory
then why given
to calculate time for 1 crest
just to confuse
its given that we can calculate using any one
now have u understood
have u understood
so plz
can u answer my questions
thank me
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