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A ray of white light passes through a re...

A ray of white light passes through a rectantular glass slab, entering and emerging at parallel faces. The angle of incidence, measured from the normal to the glaass surface, is large.

A

White light will emerge from the slab.

B

The light emerging from the slab will have a number of parallel, coloured rays

C

The emergent rays wil not form a spectrum on a screen.

D

Colours will be seen if the emergent rays enter the eye directly.

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The correct Answer is:
A, B, C
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