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Question
The momentum of an electron revolving in nth orbit is given by ______.
Options
`"nh"/(2pi"r")`
`"nh"/(2"r")`
`"nh"/(2pi)`
`(2pi"r")/"nh"`
MCQ
Fill in the Blanks
Solution
The momentum of an electron revolving in nth orbit is given by `underlinebb("nh"/(2pi"r"))`.
Explanation:
By Bohr' quantization rule
`"L"_"n"="nh"/(2pi)`
⇒ mvr = `"nh"/(2pi)`
⇒ mv = `"nh"/(2pi"r")`
⇒ p = `"nh"/(2pi"r")`
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Bohr’s Atomic Model
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