Optics Question 1120

Question: In a Young’s double slit experiment, the separation of the two slits is doubled. To keep the same spacing of fringes, the distance D of the screen from the slits should be made

[MNR 1998; AMU (Engg.) 2001]

Options:

A) D2

B) D2

C) 2D

D) 4D

Show Answer

Answer:

Correct Answer: C

Solution:

β=λDd



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