what is angle of prism? how the combination of two prism gives white light?
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when a white light pass through the first prism it divdes into constituents colous but when these colours ' light passes through the 2nd prism it gives a white colour due to their process of combining
when a white light pass through the first prism it divdes into constituents colous but when these colours ' light passes through the 2nd prism it gives a white colour due to their process of combining
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