Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If radius of second Bohr orbit of the 
ion is 105.8 pm , what is the radius of third Bohr orbit of 
ion?
A
15.87 pm
B
1.587 pm
C
D
158.7 pm
Text Solution
Verified by ExpertsThe correct answer is:
D
According to Bohr's atomic model, 
For 
orbit of 
For 
orbit of 
From the above equation
Hence, the radius of third Bohr orbit of 
ion is 158.7 pm.
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