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Solve this problem A wave is reflected from a rigid support. The change in phase on reflection will be

A wave is reflected from a rigid support. The change in phase on reflection will be

• Option 1)

$\frac{\pi}{}4$

• Option 2)

$\frac{\pi}{}2$

• Option 3)

$\pi$

• Option 4)

$2\pi$

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Beat frequency is also equal to -------- the frequencies of the source

After reflection from rigid support , a wave suffers a phase change of $\pi$

Reflection of wave-fixed end -

1)    There is a phase change of $\pi$ for the reflected wave

2)    At boundary, same or all of the wave is reflected.

3)    When it is reflected from a fixed end, the wave is inverted.

-

Option 1)

$\frac{\pi}{}4$

This is incorrect

Option 2)

$\frac{\pi}{}2$

This is incorrect

Option 3)

$\pi$

This is correct

Option 4)

$2\pi$

This is incorrect

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