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A. If both Assertion \& Reason are True \& the Reason is a correct explanation of the Assertion.
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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 : The fringe visibility will be maximum when amplitude of light waves from two coherent sources is exactly same.

Reason : Fringe visibility \( \frac{I_{\max }-I_{\min }}{I_{\max }+I_{\min }}=\frac{2 a_{1} a_{2}}{a_{1}^{2}+a_{2}^{2}} \).
(1) \( \mathrm{A} \)
(2) \( \mathrm{B} \)
(3) \( \mathrm{C} \)
(4) \( \mathrm{D} \)
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