Wave OpticsMedium
Question
The diameter of a circular obstacle is 1 cm. It is placed at a distance of 1 m from a narrow source of 6000 
. Diffraction pattern is obtained at a distance of 2 m from the obstacle. How many HPZ are covered by the obstacle ?
. Diffraction pattern is obtained at a distance of 2 m from the obstacle. How many HPZ are covered by the obstacle ?Options
A.15
B.28
C.21
D.25
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