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Figure shows behavior of a wavefront whe...

Figure shows behavior of a wavefront when it passes through a prism.
Which of the following statements is/are correct ?

A

Lower portion of wavefront (B’) is delayed resulting in a tilt.

B

Time taken by light to reach A’ is equal to the time taken to reach B’ from B.

C

Speed of wavefront is same everywhere.

D

A particle on wavefront A’ B’ is in phase with a particle on wavefront AB.

Text Solution

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