the radius of which of the following orbit is
The radius of which of the following orbit is same as that of the first Bohr's orbit of hydrogen atom:
(1) He+ (n= 2)
(2) Li2+( n= 2)
(3) Li2+( n =3)
()Be+ (n= 2)
Ans: Be+ (n= 2)
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time taken for an electron to complete one revolution in the bohr orbit of hydrogen atom is1 4 pi mr 2 nh 2 nh 4pi2 mr
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