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Two point on a plane wavefront correspo...

Two point on a plane wavefront corresponding to ` lambda=5000 Å` are separated by a distance of 2mm. What is the phase difference between those points?

A

`(pi)/2 ` radian

B

Zero

C

`(2pi)/(lambda)(2 xx 10^(-3))` radian

D

`pi` radian

Text Solution

Verified by Experts

The correct Answer is:
B
All points on a wave front are in the same phase .
`:.` The phase difference between any two points is zero .
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