9. Quantum Mechanics
The Energy of Light
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Calculate the energy (in nJ) of a photon emitted by a mercury lamp with a frequency of 6.88 x 1014 Hz.
A light ray has a wavelength that is 835 µm contains 6.32 x 10-3 J of energy. How many photons does this light ray have?
How much energy (in kJ) do 4.50 moles of photons contain at a wavelength of 705 nm?