Published by:
CGP EDU Academic Team
Published on: August 14, 2026
According to Bohr's atomic theory :
A
Kinetic energy of electron is 
and only ,
and only ,
B
The product of velocity (v) of electron and principal quantum number (n). 'vn' 
.
.
C
Frequency of revolution of electron in an orbit is 
. only and
. only and
D
Coulombic force of attraction on the electron is 
. Choose the most appropriate answer from theoptions given below: only only
. Choose the most appropriate answer from theoptions given below: only only
Text Solution
Verified by ExpertsThe correct answer is:
B
KE = –TE 
So, 
Frequency 
So, 
and 
]
Force 
So, 
So, only statement is correct.
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