Wave OpticsHard
Question
If λ = 5000
and distance of screen from the wave front is 1 metre then the number of half period zones in an area of 1.57 cm2, will be :
and distance of screen from the wave front is 1 metre then the number of half period zones in an area of 1.57 cm2, will be :Options
A.1
B.10
C.100
D.1000
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