Huygens principle, interference (Young's double slit), diffraction, polarization.
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Q1 · Wave Theory of Light · EASY
In Young's double slit experiment, the distance between two consecutive bright fringes on the screen is 0.4 mm. If the distance between the slits and screen is 1.2 m and the wavelength of light used is 600 nm, what is the distance between the two slits?
Q2 · Wave Theory of Light · MEDIUM
A beam of unpolarized light of intensity I₀ passes through two polaroids. The first polaroid's axis makes an angle of 30° with the vertical, and the second polaroid's axis is horizontal. What is the intensity of light emerging from the second polaroid?
Q3 · Wave Theory of Light · HARD
In a single slit diffraction pattern, the first minimum is observed at an angle of 30° with respect to the central maximum when light of wavelength 500 nm is used. If light of wavelength 600 nm is used with the same slit, at what angle will the first minimum be observed?
Q4 · Wave Theory of Light · MEDIUM
In Young's double-slit experiment, the distance between two consecutive bright fringes is 0.5 mm. If the wavelength of light used is 600 nm and the distance of the screen from the slits is 1.5 m, what is the slit separation?