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Textbook Expert
Textbook ExpertVerified Tutor
26 Nov 2021

Given information

Number of bright fringes=362

movable mirror moves,

 

 

Step-by-step explanation

Step 1.

In Michelson interferometer, for constructive interference, path difference between two reflected rays is given as

  ..............(1)

here,  

  -initial position of mirror

  -final position of mirror

n- is number of fringes shifted from the central reference line

Here is wavelength of incident light 

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