Atomic Structure Question 485

Question: The angular momentum of an electron in a given orbit is J. Its kinetic energy will be:

Options:

A) 12,J2mr2

B) Jvr

C) J22m

D) J22,π

Show Answer

Answer:

Correct Answer: A

Solution:

  • Angular momentum J=mvr J2=m2v2r2 or J22=(12mv2)mr2 or KE=J22mr2


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