1.

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

Answer»

Dark=4,BRIGHT =4
Dark=4, bright=5
Dark=5, Bright=4
Dark=5,Bright=5

Solution :F.O.V. =1MM
F.W. `=(Dlamda)/(2D)=0.25mm`


Discussion

No Comment Found

Related InterviewSolutions