1.

White light is split into a spectrum by a prism and it is seen on a screen. If we put another indentical inverted prism behind it in contact, what will be seen on the screen ?

Answer»

VIOLET will APPEAR where red was
The spectrum will remain the same
There will be no spectrum, but only the original LIGHT with no deviation
There will be no spectrum, but the original light will be larcrally displaced

Answer :C


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