A. If both Assertion \& Reason are True \& the Reason is a correct ...
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 Young's double slit experiment is performed in a liquid of refractive index \( 1.4 \) and a thin slab of refractive index \( 1.2 \) is placed in front of slit \( S_{1} . S_{1} \) is above \( S_{2} \). The central maxima shifts above geometrical centre.
Reason :- The central maxima shifts towards that slit where slab is placed.
(1) \( \mathrm{A} \)
(2) B
(3) \( \mathrm{C} \)
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