The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is


Options: 5x/36,    5x,    7.2 x,    x/6

Ans:A,A


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Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

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