Q .     The radius of the orbit of an electron in a Hydrogen-like atom is `4.5 a_0`, where `a_0` is the Bohr radius. Its orbital angular momentum is `(3h)/(2pi)`. It is given that h is Planck's constant and `R` is Rydberg constant. The possible wavelength`(s)`, when the atom de-excites, is(are)

JEE 2014 Mains Paper 2
A

`9/(32R)`

B

`9/(16R)`

C

`9/(5R)`

D

`4/(3R)`

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