wave-optics

Related Questions

• A slit of width a is illuminated by white light. For red light ($\lambda$ = 6500 Å), the first minima is obtained at $ heta = {30^o}$. Then the value of a will be

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• Angular width ($\beta$) of central maximum of a diffraction pattern on a single slit does not depend upon

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• In Young's double slit experiment, the fringe width is $1 \times {10^{ - 4}}m$if the distance between the slit and screen is doubled and the distance between the two slit is reduced to half and wavelength is changed from $6.4 \times {10^7}m$ to $4.0 \times {10^{ - 7}}m$, the value of new fringe width will be

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• A parallel beam of monochromatic light of wavelength 5000 Å is incident normally on a single narrow slit of width 0.001 mm. The light is focused by a convex lens on a screen placed on the focal plane. The first minimum will be formed for the angle of diffraction equal to

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• Two Nicols are oriented with their principal planes making an angle of 60°. The percentage of incident unpolarized light which passes through the system is

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