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Two points on a travelling wave having f...

Two points on a travelling wave having frequency 500 Hz and velocity `300 ms^(-1)` are `60^(@)` out of phase, then the minimum distance between the two point is

A

1 mm

B

1 cm

C

10 cm

D

1 m

Text Solution

Verified by Experts

The correct Answer is:
C
`lambda=(v)/(f)=(300)/(500)=(3)/(5)`
`Deltaphi=(2pi)/(lambda)xxDeltax`
`Deltax` = path difference `=(lambda)/(2pi)xx(pi)/(3)=(3)/(5)xx(1)/(6)=10cm`.
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