Interference, Young's double slit, diffraction, polarisation.
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Q1 · Wave Optics · EASY
In Young's double-slit experiment, the separation between the slits is 1 mm and the screen is placed at a distance of 2 m from the slits. Light of wavelength 500 nm is used. If a thin glass plate of thickness 1.5 μm and refractive index 1.5 is placed in front of one slit, the shift of the central maximum on the screen is:
Q2 · Wave Optics · HARD
In a Young's double slit experiment, the separation between the slits is 0.5 mm and the screen is placed 1 m away. When light of wavelength 600 nm is used, the fringe width is β. If a thin transparent sheet of refractive index 1.5 and thickness 3 μm is placed in front of one slit, the shift in the central maximum is:
Q3 · Wave Optics · MEDIUM
In Young's double slit experiment, the slit separation is 0.5 mm and the screen is placed 1 m away. If the wavelength of light used is 600 nm, the fringe width is:
Q4 · Wave Optics · MEDIUM
In a Young's double slit experiment, the separation between the slits is 0.5 mm and the screen is placed 1.5 m away. If light of wavelength 600 nm is used, what is the distance between the central maximum and the third bright fringe?