1
KCET 2018
MCQ (Single Correct Answer)
+1
-0
In Young's double slit experiment, slits are separated by 2 mm and the screen is placed at a distance of 1.2 m from the slits. Light consisting of two wavelengths $$6500\mathop A\limits^o $$ and $$5200\mathop A\limits^o $$ are used to obtain interference fringes. Then, the separation between the fourth bright fringes of two different patterns produced by the two wavelengths is
A
0.312 mm
B
0.123 mm
C
0.213 mm
D
0.412 mm
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