Question

15.
In Y.D.S.E., the slits are 0.2 cm apart & are
illuminated by yellow light (2 = 600 nm). What
would be the fringe width on a screen placed
1 m from the plane of the slits if the whole system
is immersed in water of index 4/3 -
(1) 0.225 mm
(2) 2.25 mm
(3) 0.450 mm
(4) 4.5 mm​

Answer 1

Answer:

2.25

Explanation:

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