Question

The frequency of a beam of UV light is 1.0×10^15 Hz.What is the energy in one quantum of this light,express it in eV







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Answer 1

Explanation:

v = 1 x 10^15

E = nhv

E = 1 x 6.63 x 1 x 10^-19

E = 6.63 x 10^-19 J

In ev,

E = (6.63 x10^-19) / 1.6x10^-19

E = 3.76 ev