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A layer of colourless oil spreads on water surface. White light is incident on it and due to interference the oil appears coloured. In order to observe this effect the thickness of oil layer must be of the order of
Options
(a) 100Å
(b) 10000Å
(c) 1 mm
(d) 1 cm
Correct Answer:
10000Å
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
