Question

In YDSE distance between slits is 0.2 mm, distance
between slit & screen is 2m and wavelength of
monochromatic light incident on slit is 600 nm.
Find the phase difference between the waves at a
point 2 cm from mid point?
(1) 20
(2) 21/3
(3) 151
(4) 207/3​

Answer 1

Answer:

$\frac{20\pi}{3}$

Explanation:

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