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Q.

An orbital electron in the ground state of hydrogen has an angular momentum L1 ,   and an orbital electron in the first excited state in doubly ionized Lithium has an angular momentum  L2 . Then

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a

L1= L2

b

L2 = 3L12

c

L2 = 2L13

d

L2 = 2L1

answer is D.

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Detailed Solution

L = nh2π       for all 1st orbit it is  h2π                        For all 2nd orbit is  2h2π
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