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How can we find the shift in fringes is in upward or downward direction ?

How can we find the shift in fringes is in upward or downward direction
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1 Answers

Manas Bondale
11 Points
9 years ago
Let me assume you are refering to interference patterns. The slit in whose path you’ve inserted a refracting material imprints it’s light rays further away from the other slit. The pattern shifts downward for interrupting the lower slit and upward for the higher slit. (left for left ; right for right)

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