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Question

Zeeman and stark effect can be explained by ________ quantum number.


A

Principle

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B

Azimuthal

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C

Magnetic

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D

Spin

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Solution

The correct option is C

Magnetic


Magnetic Quantum Number(m):

The explanation for the splitting of a single spectral line of hydrogen atom into a number of closely spaced lines in the presence of a magnetic field or an electric field was given by Landĕ. He postulated that in the presence of an external electric field or a magnetic field an electron can have a different spatial orientation off for a particular angular momentum. The magnetic quantum number was introduced to specify the further subdivision of subshells or energy levels. It describes the spatial orientation of the orbital.

Zeeman Effect: Splitting of a spectral line in presence of a magnetic field.

Stark effect: Splitting of spectral lines in the presence of the electric field.

Conclusion Statement: Option (c) is the correct answer.


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