A. If both Assertion \& Reason are True \& the Reason is a correct ...

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A. If both Assertion \& Reason are True \& the Reason is a correct explanation of the Assertion.
\( \mathrm{P} \)
B. If both Assertion \& Reason are True but Reason is not a
W correct explanation of the Assertion.
C. If Assertion is True but the Reason is False.
D. If both Assertion \& Reason are False.
Assertion :- If the phase difference between tht light waves emerging from the slits of the Young's experiment is \( \pi \) radian, then centra fringe will be dark.

Reason :- Phase difference is equal to \( \frac{2 \pi}{\lambda} \) times the effective path difference.
(1) \( \mathrm{A} \)
(2) \( \mathrm{B} \)
(3) \( \mathrm{C} \)
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