A) water oxidises the dye of colour
B) interference occurs from reflections from top and bottom layers of water film
C) thin water covered surface reflects light in one direction only
D) water layer acts like a converging lens
Correct Answer: C
Solution :
A thin water film covering a moist object reflects the incident light in one definite direction. The surface of object no longer diffuses white light in all directions and its own colour becomes prominent. The diffused light is not superimposed on the light reflected from the object and for this reason the colours seems more richer.
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