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Question
The radius of the third Bohr orbit for hydrogen atom is ____________.
Options
158.7 pm
476.1 pm
52.9 pm
212 pm
MCQ
Fill in the Blanks
Solution
The radius of the third Bohr orbit for hydrogen atom is 476.1 pm.
Explanation:
rn = `52.9 xx "n"^2/"Z"` pm
For hydrogen; n = 3 and Z = 1
∴ Radius of third Bohr orbit = 52.9 × (3)2 = 476.1 pm
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