A progressive wave travelling |WAVE ON STRING| JEE-MAIN 2019

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JEE MAIN 2019

12.04.19_S1

Question

A progressive wave travelling along the positive $x$-direction is represented by $y(x, t)=A \sin (k x-\omega t+\phi)$. Its snapshot at $t=0$ is given in the figure.

Select the correct option:

A

$\pi$

B

$-\frac{\pi}{2}$

C

$\frac{\pi}{2}$

D

00

✓ Correct! Well done.

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Solution

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