Two identical prisms made of dispersive glass, are placed as shown and a narrow beam of white light enters from the left. If the prisms are in the configuration for minimum deviation for green light, draw what happens to, say , the 4 colors of red, yellow, green and blue light-all the way through both prisms. Explain the picture in words too. What happens as the distance "d" between two prisms is made very small.
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The solution deals with the consequences when the light dispersed from a prism passes through another prism placed in such a way that their dispersive angles are in opposite direction.