what change in molar energy in joule would be associated with an atomic transition giving rise to radiation 1hz frequency?

Dear Sidhatta,

To calculate the energy change for an atomic transition that gives rise to a radiation of 1 Hz, we will use the following relation

E = hν (1)

where h is the planck''s constant, E is the energy of the emitted radiation and ν is the frequency of this emitted radiation. We know that the energy absorbed or emitted during a transition is equal to the energy difference between the energies of the two involved energy levels.

Now h = 6.63 X 10^-34 Js and ν is the frequency of the emitted radiation = 1 Hz. Substituting the values in equation (1), we get

E = 6.63 X 10^-34 X 1

= 6.63 X 10^-34 J

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