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An orbital electron in the ground state of hydrogen has an angular momentum $L_{1}$ and an orbital electron in the ground state of lithium (doubly ionised ) has an angular momentum $L_{2}$ .Then:

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L1=L2

L1=3L2

L2=3L1

L2=9L1

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detailed solution

Correct option is A

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

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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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Ready to Test Your Skills?

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An orbital electron in the ground state of hydrogen has an angular momentum $L_{1}$ and an orbital electron in the ground state of lithium (doubly ionised ) has an angular momentum $L_{2}$ .Then: