In youngs double slit experiment, distance between the slits is d and that between the slits and screen is D. Angle between principle axis of lens and perpendicular bisector of S 1 and S 2 is 45°. The point source S is placed at the focus of lens and aperture of lens is much larger than d. Assuming only the reflected light from plane mirror M is incident on slits, distance of central maxima from O will be :
A
D
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
From the figure shown below it is clear that the distance of central maxima from O is D.
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