wave-optics

Related Questions

• A star is moving towards the earth with a speed of $4.5 \times {10^6}$m/s. If the true wavelength of a certain line in the spectrum received from the star is 5890 Å, its apparent wavelength will be about $[c = 3 \times {10^8}m/s]$

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• An interference pattern was made by using red light. If the red light changes with blue light, the fringes will become

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• Monochromatic green light of wavelength $5 imes {10^{ - 7}}m$illuminates a pair of slits 1 mm apart. The separation of bright lines on the interference pattern formed on a screen 2 m away is

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• Soap bubble appears coloured due to the phenomenon of

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• In double slit experiment, the angular width of the fringes is $0.20^o$ for the sodium light ($\lambda$ =5890 Å). In order to increase the angular width of the fringes by 10%, the necessary change in the wavelength is

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