JEE PHYSICS MCQ: WAVES

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Application +4 | -1

Two waves having equations

{x_1} = a\,\,\sin \left( {\omega t + {\phi _1}} \right),{x_2} = a\,\,\sin \left( {\omega t + {\phi _2}} \right)

If in the resultant wave the frequency and amplitude remain equal to those of superimposing waves. Then phase difference between them is

View answer and explanation

Correct option: B

\frac{{2\pi }}{3}

Option B (

\frac{{2\pi }}{{3}}

) is correct because the resultant amplitude is equal to the individual amplitudes only when the phase difference is

\frac{{2\pi }}{{3}}

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