Physics, 19.05.2021 19:20 treyceratops1082

A source produces 20 crests and 20 troughs in 4 seconds. The second crest is 3 cm away from the first crest. Calculate : i. Wavelength [ Ans : 3 × ${10}^{ - 2}$ m ]
ii. Frequency [ Ans : 5 Hz ]
iii. Wave speed [ Ans : 1.5 × ${10}^{ - 1} \tt{ {ms}^{ - 1}}$ ]

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A source produces 20 crests and 20 troughs in 4 seconds. The second crest is 3 cm away from the firs...