Advertisements
Advertisements
Question
An electron (e) is revolving in a circular orbit of radius 'r' in hydrogen atom. The angular momentum of the electron is (M = magnetic dipole moment associated with it and m = mass of electron) ____________.
Options
`(2"mM")/"e"`
`(4"mM")/"e"`
`(3"Mm")/"e"`
`"mM"/"e"`
MCQ
Fill in the Blanks
Solution
An electron (e) is revolving in a circular orbit of radius 'r' in hydrogen atom. The angular momentum of the electron is `(2"mM")/"e"`.
Explanation:
L = mvr
`"M" = "iA" = "ev"/(2pi"r") xx pi"r"^2 = "evr"/2`
`therefore "vr" = (2"M")/"e"`
`therefore "L" = (2"mM")/"e"`
shaalaa.com
Origin of Magnetism in Materials
Is there an error in this question or solution?
