A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Correct Answer: D
Solution :
In Young?s experiments fringe width for dark and white fringes are same while in Young?s double slit experiment when a white light as a source is used, the central fringe is white around which few coloured fringes are observed on either side.
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