The difference in angular momentum associated with the electron in two successive orbits of hydr...

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The difference in angular momentum associated with the electron in two successive orbits of hydrogen atom is:
(a) \( \mathrm{h} / \pi \)
(b) \( \mathrm{h} / 2 \pi \)
(c) \( \mathrm{h} / 2 \)
(d) \( (\mathrm{n}-1) \mathrm{h} / 2 \pi \)
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