Question

A wave disturbance in a medium is described by y(x,t) = $0.02\cos\bigg \lgroup 50\pi t+\frac{\pi}{2}\bigg \rgroup$ where x and y are in metre and t is in second. Which of the following is correct?
(a) A node occurs at x = 0.15 m
(b) An antinode occurs at x = 0.3 m
(c) The speed wave is 5 ms⁻¹
(d) The wavelength is 0.3 m

Answer 1

HERE IS YOUR ANSWER :-

Option no :- D

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