In Fraunhofer diffraction due to a narrow slit, a screen is placed 2 metre away from the lens to obtain the pattern. If the slit width is 0.2 mm and the first minimum lie 5 mm on either side of the central maximum, find the wavelength of light.
In Fraunhofer diffraction due to a narrow slit, a screen is placed 2 metre away from the lens to obtain the pattern. If the slit width is 0.2 mm and the first minimum lie 5 mm on either side of the central maximum, find the wavelength of light.
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Transcribed Image Text:In Fraunhofer diffraction due to a narrow slit,
a screen is placed 2 metre away from the lens
to obtain the pattern. If the slit width is
0.2 mm and the first minimum lie 5 mm on
either side of the central maximum, find the
wavelength of light.
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