(4)
3. in Young's exr
with two slits.
loung's experiment for interference of light
two slits, reinforcement takes place
_mi
when sine = d d is
(C.P.M.T. 1975)
(1) distance from slits to screen
(2) distance between dark and bright fringes
(3) distance between slits
(4) width of m th fringe
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3. is the correct answer
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