Directions : In the following questions, a statement of assertion i...

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Directions : In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as :
(a) If both assertion and reason are true and reason is the correct explanation of assertion.
(b) If both assertion and reason are true but reason is not the correct explanation of assertion.
\( \mathrm{P} \)
(c) If assertion is true but reason is false.
W
(d) If both assertion and reason are false.
Assertion : Bohr's third postulate states that the stationary orbits are those for which the angular momentum is some integral multiple of \( \frac{h}{2 \pi} \).
Reason : Linear momentum of the electron in the atom is quantised.
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