A yellow laser provides 210 kJ/mol of energy to excite electrons in a sample. What is the frequency of this light?

Frequency,

Explanation:

It is given that, a yellow laser provides 210 kJ/mol of energy to excite electrons in a sample. We need to find the frequency of this light.

Energy, E = 210 kJ/mol

i.e.

The energy used to excite electrons is given by :

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