Wave OpticsHard
Question
In a double slit experiment if light of wavelength 5000 
is used then fringe width of 1 mm is obtained. If now light of wavelength 6000
is used without altering the system then new fringe width will be :
is used then fringe width of 1 mm is obtained. If now light of wavelength 6000is used without altering the system then new fringe width will be : Options
A.1 mm
B.0.5 mm
C.1.2 mm
D.1.5 mm
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