In a Young's double slit experiment,interference fringes were produced on a screen placed at 1.5m from the two slits 0.3mm apart and illuminated by light of 6400 Å. Find the fridge width
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Answer:
fringe width = w = D λ /d = 1.5 m* 5000 * 10⁻¹⁰ m/3*10⁻⁵ m
w = 2.5 cm
distance of 4th bright fringe from central maxima = 4 * w or 4 Dλ/d
= 10 cm.
Explanation:
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