1.

How two prisms should be placed to obtain white light and draw it's diagram​

Answer»

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ANSWER:

We can place one prism straight and the other IDENTICAL prism upside down, so that the light that emerges from the second prism is white light. The light that emerges from the first prism is incident on the second prism in such a WAY that the one emerging from the second one gives a white light on the screen that is kept PERPENDICULAR to the emerging ray.



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