1.

A beam of white light falling on a glass prism gets split up into seven colors marked 1 to 7 as shown in the diagram.Which two positions correspond closely to the color of:(a) a solution of potassium permanganate?​(b) 'danger' or stop signal lights?

Answer» A beam of white light falling on a glass prism gets split up into seven colors marked 1 to 7 as shown in the diagram.







Which two positions correspond closely to the color of:

(a) a solution of potassium permanganate?

​(b) 'danger' or stop signal lights?


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