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Wave Optics Part 2

Section: Physics

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Question : 18

Total: 54

Young's double slit interference apparatus is immersed in a liquid of refractive index 1.44. It has slit separation of 1.5 mm . The slits are illuminated by a parallel beam of light whose wavelength in air is 690 nm . The fringe-width on a screen placed behind the plane of slits at a distance of 0.72 m , will be :

[24 Jan 2025 Shift 2]

0.63 mm
0.23 mm
0.33 mm
0.46 mm

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