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: B
Solution :
When d is negligibly small, fringe width \[\beta \] which is proportional to \[1/d\] may become too large. Even a single fringe may occupy the whole screen. Hence the pattern cannot be detected.You need to login to perform this action.
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