Question

All India Aakash Test Series for Medical-2019
51. Number of waves produced by an electron in one
complete revolution in nth orbit is
(1) n
(2) n square
A) (2n + 1)
(3) (n + 1)
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Answer 1

this is ur answer (2n + 1)

In general, the number of waves made by a Bohr electron in an orbit is equal to its quantum number. Thus the circumference of the 3rd orbit is equal to 3 times the wavelength of electron i.e. the electron makes three revolution around the 3rd orbit.

Answer 2

2n + 1...............