An orbital electron in the ground state of hydrogen has an angular momentum L1 and an orbital electron in the ground state of lithium (doubly ionised ) has an angular momentum L2.Then:
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a
L1=L2
b
L1=3L2
c
L2=3L1
d
L2=9L1
answer is A.
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Detailed Solution
Doubly ionised positively lithium ion is a hydrogen like atom. Hence,L=mvr=nh2πfor bothwhich depends only on the value of n. Also for both n =1.Hence, L1=L2=h2π