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CGP EDU Academic Team
Published on: September 12, 2026
A travelling wave passes a point of observation. At this point, the time interval between successive crests is 0.2 seconds and
Text Solution
Verified by ExpertsThe correct answer is:
B
Phase difference between two successive crest is 2 π π . Also,
phase difference $(\Delta \varphi)$ = $\frac{2 \pi}{T}$ time interval $(\Delta t)$
⇒ ⇒ $2 \pi = \frac{2 \pi}{T} \times 0.2 \Rightarrow \frac{1}{T} = 5 \sec ^{-1} \Rightarrow n = 5 \mathrm{Hz}$
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