Question

Ile wynosi energia fotonu swiatla o dlugosci fali 405 nm?

Answer 1

 

λ = 405nm = 405 x 10⁻⁹m

h = 6,63 x 10⁻³⁴Js

c = 3 x 10⁸m/s

 

E = hc/λ

 

E = 6,63 x 10⁻³⁴Js x 3 x 10⁸m/s / 405 x 10⁻⁹m = 0,049 x 10⁻¹⁷J

 

 

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Pozdrawiam :)