Question

In Young’s expt., the distance between two slits is d/3
and the distance between the screen and the slits is 3 D. The
number of fringes in 1/3 m on the screen, formed by
monochromatic light of wavelength 3????, will be
(a) d/9D????
(b) d/27D????
(c) d/81 D????
(d) d/D????

Answer 1

Answer:

d is the answer of your question plz mark me as brainliest .

Answer 2

d/27D

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