Question

Seven coloured lights of the spectrum can be recombined when two prisms are placed in:

a) Horizontal position with respect to each other.

b) Adjacent position with respect to each other

c) Inverted position with respect to each other.

d) Vertical position with respect to each other.​

Answer 1

Answer:

c) Inverted position with respect to each other

When the light reaches to the first prism it will scattered into seven different colours and that seven different colours again when light enter into the another prism which is placed invertedly , the seven different colours will change into a single white light.

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