Modern Physics 1 Question 41

38. In the Bohr model of the hydrogen atoms

(1984, 2M)

(a) the radius of the nth orbit is proportional n2.

(b) the total energy of the electron in the nth orbit is inversely proportional to n.

(c) the angular momentum of the electron in an orbit is an integral multiple of h/π.

(d) the magnitude of the potential energy of the electron in any orbit is greater than its kinetic energy.

Numerical Value

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Solution:

  1. rnn2Z and |PE|=2(KE)


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