1
Question
In
the ideal double-slit experiment, when a glass-plate (refractive index 1.5) of
thickness t is introduced in the path
of one of the interfering beams (wavelength l), the intensity at the
position where the central maximum occurred previously remains unchanged. The minimum thickness of the glass-plate is
[IIT-JEE (Screening) 2002]
In the ideal double-slit experiment, when a glass-plate (refractive index 1.5) of thickness t is introduced in the path of one of the interfering beams (wavelength l), the intensity at the position where the central maximum occurred previously remains unchanged. The minimum thickness of the glass-plate is
[IIT-JEE (Screening) 2002]
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Solution
The correct option is A 2l
2l
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