Muon ( \mu^{-}) is a negatively charged ( | q |=| e | ) particle with a mass m_\mu=200 m_e, where m_e is the mass of the electron and e is the electronic charge. If \mu^{-}is bound to a proton to form a hydrogen like atom, identify the correct statements : (a) Radius of the muonic orbit is 200 times smaller than that of the electron. (b) The speed of the \mu^{-}in the n ^{\text{th }} orbit is \frac{1}{200} times that of the electron in the n ^{\text{th }} orbit. (c) The ionization energy of muonic atom is 200 times more than that of an hydrogen atom. (d) The momentum of the muon in the n ^{\text{th }} orbital is 200 times more than that of the electron. [15 Apr 2018 Shift 2]

JEE Main 15 Apr 2018 Shift 2 Solved Paper

Section: Physics

Question : 15 of 90

Marks: +1, -0

Muon ( µ−) is a negatively charged ( |q|=|e| ) particle with a mass mµ=200me, where me is the mass of the electron and e is the electronic charge. If µ−is bound to a proton to form a hydrogen like atom, identify the correct statements :
(a) Radius of the muonic orbit is 200 times smaller than that of the electron.
(b) The speed of the µ−in the n‌th ‌ orbit is ‌

200

times that of the electron in the n‌th ‌ orbit.
(c) The ionization energy of muonic atom is 200 times more than that of an hydrogen atom.
(d) The momentum of the muon in the n‌th ‌ orbital is 200 times more than that of the electron.

[15 Apr 2018 Shift 2]

a, b, d
b, d
a, c, d
c,d

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