Multiple Choice
Bright and dark fringes are seen on a screen when light from a single source reaches two narrow slits a short distance apart.The locations of bright and dark fringes can be interchanged if a thin film is placed in front of one of the slits.The minimum thickness of this film must be
A)
.
B)
.
C)
.
D)
.
E)
.
Correct Answer:

Verified
Correct Answer:
Verified
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