Radius of first Bohr orbit is r. What is the radius of 2nd Bohr orbit? – McqOptions

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1.	Radius of first Bohr orbit is r. What is the radius of 2nd Bohr orbit? [BHU 2005]
A.	8r
B.	2r
C.	64000 bits/sec
D.	\[2\sqrt{2r}\]
Answer» D. \[2\sqrt{2r}\]

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