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JEE Main 2003

Exam: JEE Main
Year: 2003
Subject: Physics
Chapter: Waves and Sound

JEE Main 2003 · Physics · Waves and Sound

The displacement y of a wave travelling in the x -direction is...

The displacement

y

of a wave travelling in the

x

-direction is given by

y=10^{-4} \sin \left(600 t-2 x+\frac{\pi}{3}\right)

metres where

\mathrm{x}

is expressed in metres and

\mathrm{t}

in seconds. The speed of the wave-motion, in

\mathrm{ms}^{-1}

, is

Options

A $300$
B $600$
C $1200$
D $200$

Correct answer

B. $600$

Step-by-step solution

y=10^{-4} \sin \left(600 t-2 x+\frac{\pi}{3}\right)

. Comparing it with standard equation

y=A \sin (v t-k x) ; \quad v=600 m / s

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