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Author Question: When the adjustable mirror on the Michelson interferometer is moved 20 wavelengths, how many fringe ... (Read 90 times)

cartlidgeashley

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Question 1

When a central dark fringe is observed in reflection in a circular interference pattern, waves reflected from the upper and lower surfaces of the medium must have a phase difference, in radians, of

0.

π/2.

π.

3π/2.

2π.


Question 2

When the adjustable mirror on the Michelson interferometer is moved 20 wavelengths, how many fringe pattern shifts would be counted?

5

10

20

40

80


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Marked as best answer by cartlidgeashley on Aug 10, 2020

Anonymous

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cartlidgeashley

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Reply 2 on: Aug 10, 2020
Thanks for the timely response, appreciate it


cpetit11

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Reply 3 on: Yesterday
Wow, this really help

 

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