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प्रश्न
In a hydrogen atom, the electron revolving in the fourth orbit, has angular momentum equal to ______.
पर्याय
h
`"h"/pi`
`(4"h")/pi`
`(2"h")/pi`
MCQ
रिकाम्या जागा भरा
उत्तर
In a hydrogen atom, the electron revolving in the fourth orbit, has angular momentum equal to `underline((2"h")/pi)`.
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Introduction to Atomic and Nuclear Physics
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