(Answered) If you body is emitting infrared radiation of wavelength 94

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If you body is emitting infrared radiation of wavelength 9.4 x 10^(-6)m, what is the energy of the released photons?

A hydrogen atom initially in the n =3 level emits a photon and ends up in the ground state.

a) What is the energy of the emitted photon?

b) If this atom then absorbs a second photon and returns to the n =3,state what must the energy of this photon be?

The amount of carbon -14 in an ancient wooden bowl is found to be one-half that in a new piece of wood. How old is the bowl?

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