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Physics
White light is incident on thin-walled hollow glass prism. The emergent light is
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Q. White light is incident on thin-walled hollow glass prism. The emergent light is
Ray Optics and Optical Instruments
A
white
B
coloured with violet deviated least
C
coloured with red deviated least
D
none of these
Solution:
At point of entry and exit, the glass wall of the hollow prism acts like a glass slab. Hence no deviation or dispersion.