In biprism experiment, the shit is illuminated by a light of wavelength 4800 A. The distance between the slit and biprism is 20 cm and the distance between the biprism and eyepiece is 80 cm. If the distance between two virtual sources is 0.3 cm, determine the distance between the 5th bright band on one side of the central and the 5th dark band on the other side.

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In biprism experiment, the slit is
illuminated by a light of wavelength 4800 A .
The distance between the slit and biprism is
20 cm and the distance between the biprism
and eyepiece is 80 cm. If the distance between
two virtual sources is 0.3 cm, determine the
distance between the 5th bright band on one
side of the central and the 5th dark band on the
other side.
Transcribed Image Text:In biprism experiment, the slit is illuminated by a light of wavelength 4800 A . The distance between the slit and biprism is 20 cm and the distance between the biprism and eyepiece is 80 cm. If the distance between two virtual sources is 0.3 cm, determine the distance between the 5th bright band on one side of the central and the 5th dark band on the other side.
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