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In a Lyod's mirror set up for interferen...


In a Lyod's mirror set up for interference of waves of frequency `6xx10^(14)s^(-1)` emitted from point source S. distance SO, OA & AC are 1mm, 50 cm and 50 cm respectively, then te number of dark and bright fringes obtained on the scren will be

A

Dark=4,Bright =4

B

Dark=4, bright=5

C

Dark=5, Bright=4

D

Dark=5,Bright=5

Text Solution

Verified by Experts

The correct Answer is:
C
F.O.V. =1mm
F.W. `=(Dlamda)/(2d)=0.25mm`
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