The displacement y of a particle in a medium can be expressed as y=10^ -5 (100 t+20 x+ 4…
Physics · NEET · NTA Exams — Oscillations and Waves
The displacement y of a particle in a medium can be expressed as \(y=10^{-5} \sin \left(100 t+20 x+\frac{\pi}{4}\right) m\), where t is in seconds and x in meters. The speed of the wave is
- 2000 m/s
- 5 m/s
- 20 m/s
- \(5 \pi \mathrm{~m} / \mathrm{s}\)
Answer
(C) 20 m/s
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