a) 0.08o
b) 0.16o
c) 0.20o
d) 0.32o
Answer: b) 0.16o
Solution:
Δx = dsinθ = λ/2
sinθ = λ/2d
θ = sin-1(λ/2d)
= sin-1[(5460 x 10-10)/(2 x 0.1 x 10-3)]
= 0.16o
Checkout JEE MAINS 2022 Question Paper Analysis :
Checkout JEE MAINS 2022 Question Paper Analysis :
In Young’s double-slit experiment, the distance between two sources is 0.1 mm. The distance of the screen from the sources is 20 cm. The wavelength of light used is 5460 Å Then the angular position of the first dark fringe is A.
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