Physics-
General
Easy
Question
The figure shows a transparent slab of length 1 m placed in air whose refractive index in x direction varies as 
. The optical path length of ray R will be
- 1 m
The correct answer is:
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A parallel beam of light 500 nm is incident at an angle 30° with the normal to the slit plane in a young's double slit experiment. The intensity due to each slit is Io. Point O is equidistant from 
and 
. The distance between slits is 1 mm.
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Consider the arrangement shown in figure. By some mechanism, the separation between the slits 
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In 
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On heating NaCl + K2Cr2O7 + H2SO4 conc., the gas that comes out is
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Chemistry-General
