In a biprism experiment light of wavelength 5200 Å is used to get an interference pattern on a screen. The fringe width changes by 1.3 mm when the screen is brought towards the biprism by 50 cm. Find the distance between the virtual images of the slit. (Oct. '92)
In a biprism experiment light of wavelength 5200 Å is used to get an interference pattern on a screen. The fringe width changes by 1.3 mm when the screen is brought towards the biprism by 50 cm. Find the distance between the virtual images of the slit. (Oct. '92)
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Transcribed Image Text:In a biprism experiment light of
wavelength 5200 Å is used to get an
interference pattern on a screen. The fringe
width changes by 1.3 mm when the screen is
brought towards the biprism by 50 cm. Find
the distance between the virtual images of the
slit.
(Oct. '92)
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