A soap film of refractive index 4/3 and
thickness 1.5 X 10^-4 cm is illuminated by
white light incident at an angle of 45 degree
The light reflected by it is examined by
spectroscope in which a dark band
corresponding to a wavelength of 5 x 10^-5cm
is found calculate the order of interference
band.
Answer
A.n=7
B.n=5
C.n=8
D.none of these
Answers
Answered by
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Answer:
B.n=5
Explanation:
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