Hey mate please solve and explain in brief!!
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Hope this helps ❤️
Please mark as brainliest ❤️
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Answer:
Explanation:
30 crests and troughs in 0.3sec
1crest and trough in 0.3/30=1/100sec
frequency =1/time =1/1/100=100Hz .
Hope it helps,mark it as Brainliest
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