1.

Light of a single colour is passed through a liquid having a piece of glass suspended in it. On changing the temperature of liquid, at a particular temperature the glass piece is not seen. (i) When is the glass piece not seen? (ii) Why is the light of a single colour used?

Answer»

Light of a single colour is passed through a liquid having a piece of glass suspended in it. On changing the temperature of liquid, at a particular temperature the glass piece is not seen.

(i) When is the glass piece not seen?

(ii) Why is the light of a single colour used?



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