In Young's experiment, light of wavelength 4000 Å is used to produce – McqOptions

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1.	In Young's experiment, light of wavelength 4000 Å is used to produce bright fringes of width 0.6 mm, at a distance of 2 meters. If the whole apparatus is dipped in a liquid of refractive index 1.5, then fringe width will be [MP PMT 1994]
A.	0.2 mm
B.	0.3 mm
C.	0.4 mm
D.	1.2 mm
Answer» D. 1.2 mm

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