wave-optics

Related Questions

• In which of the following is the interference due to the division of wave front

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• A slit of size 0.15 cm is placed at 2.1 m from a screen. On illuminated it by a light of wavelength $5 \times 10^{–5}$ cm. The width of central maxima will be

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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 star producing light of wavelength 6000 Å moves away from the earth with a speed of 5 km/sec. Due to Doppler effect the shift in wavelength will be $(c = 3 \times {10^8}m/\sec )$

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• When a plane polarised light is passed through an analyser and analyser is rotated through 90º, the intensity of the emerging light

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