18 A proton is fired from very far away towards a nucleus with charge Q 120 e where e is the electronic charge It makes a

Question

18 A proton is fired from very far away towards a nucleus with charge Q 120 e where e is the electronic charge It makes a closest approach of 10 fm to the nucleus The de Broglie wavelength in units of Fm of the proton at its start is take the proton mass m 5 3 10 27 kg hle 4 2 x 10 15 Js C 1 9x 10 m F 1 Fm 10 15 m IIT JEE

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