A string is rigidly tied at two ends and its equation of vibration is given by \( y=\cos 2 \pi t....

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Question A string is rigidly tied at two ends and its equation of vibration is given by \( y=\cos 2 \pi t \sin 2 \pi x \). Then minimum length of string is
(A) \( 1 \mathrm{~m} \)
(B) \( \frac{1}{2} m \)
(C) \( 5 \mathrm{~m} \)
(D) \( 2 \pi \mathrm{m} \)📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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