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17/09/2020 12:12 pm
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In Young's double slit experiment, light of 500 nm is used to produce and interference pattern. When the distance between the slits is 0.05 mm, the angular width (in degree) of the fringes formed on the distance screen is close to:
(1) 0.17º
(2) 0.07º
(3) 0.57º
(4) 1.7º
1 Answer
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17/09/2020 12:17 pm
Correct answer: (3) 0.57º
Explanation:
β0 = λ/d = 500 x 10-9/5 x 10-5
= 10-2 Radian = 0.57º