Chemistry High School

What is the frequency of a photon whose energy is 5.4 ´ 10-19 J?  (h = 6.626 ´ 10-34 J·s)

What Is The Frequency Of A Photon Whose Energy Is 5.4 10-19 J? (h = 6.626 10-34 Js)

Answers

Answer 1

Answer:

8.15 x 10¹⁴Hz

Explanation:

Given parameters:

Energy of photon  = 5.4 x 10⁻¹⁹J

h = 6.626 x 10⁻³⁴J.s

Unknown:

Frequency of the photon = ?

Solution:

The energy of a photon is given as;

          E = hf

h is the Planck's constant

f is the frequency

     f  = [tex]\frac{E}{h}[/tex]   = [tex]\frac{5.4 x 10^{-19} }{6.626 x 10^{-34} }[/tex]   = 8.15 x 10¹⁴Hz

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