Asked by Anonymous

Show the steps needed to determine the energy in a red photon of 7.0 x 10^2 nm.

E= h * (c/λ)

6.62e-34 * (3e8/2e-7)

2.837e-19 J?

Is this correct?
Answered by bobpursley
Where did you use lambda of 7E-7 m?
Answered by Anonymous
Yes, sorry typo.
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