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Light of wavelength 6500 Å passes throug...

Light of wavelength 6500 Å passes through a slit 0.1 cm wide and forms a diffraction pattern on a screen 1.8 m away.
The width of the central maximum in mm when the apparatus is immersed water of refractive index `(4)/(3)` is

A

2.12

B

1.53

C

2.54

D

1.755

Text Solution

Verified by Experts

The correct Answer is:
D
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