Wave OpticsMedium
Question
The radius of second half period zone of a wave front of wave length 7200
for a point of observation one metre from it, will be :
for a point of observation one metre from it, will be :Options
A.0.1 × 10-3 m
B.0.5 × 10-3 m
C.1.0 × 10-3 m
D.1.2 × 10-3 m
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