The equation of a wave travelling on a string is y=4 2 (8 t- x 8 ) if x and y are in…
Physics · JEE Main · NTA Exams — Oscillations and Waves
The equation of a wave travelling on a string is \(y=4 \sin \frac{\pi}{2}\left(8 t-\frac{x}{8}\right)\) if x and y are in centimetres, then velocity of wave is
- 64 cm/sec in –ve x-direction
- 32 cm/sec in –ve x-direction
- 32 cm/sec in +ve x-direction
- 64 cm/sec in +ve x-direction
Answer
(D) 64 cm/sec in +ve x-direction
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