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a) What color of light is associated with an energy of 3.865 x 10â19â19 J?
b) A laser gives red-orange light of wavelength 638.2 nm. Calculate the energy in kJ of 1 mol of photons at this wavelength.
a) What color of light is associated with an energy of 3.865 x 10â19â19 J?
| b) A laser gives red-orange light of wavelength 638.2 nm. Calculate the energy in kJ of 1 mol of photons at this wavelength. |
Beverley SmithLv2
10 Jan 2019
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