Atoms And Nuclei Question 54

Question: The velocity of an electron in the second orbit of sodium atom (atomic number = 11) is v. The velocity of an electron in its fifth orbit will be [MP PET 1999]

Options:

A) v

B) 225v

C) 52v

D) 25v

Show Answer

Answer:

Correct Answer: D

Solution:

vn 1n
Þ v5v2=25v5=25v2=25v



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