The frequency of the photon of the light is 3.3 x 10¹² Hz.
The energy of the photon of light is 2.23 x 10⁻²¹J.
Now, we know, energy associated with the photon is given by the relation,
E = hv
Where,
E is the enrgy of the photon,
h is the Planck's constant,
v is the frequency of the light.
The value of Planck's constant is 6.63 x 10⁻³⁴ J/Hz.
Now, putting values,
2.23 x 10⁻²¹J = 6.63 x 10⁻³⁴ J/Hz(v)
v = 0.33 x 10¹³ Hz
v = 3.3 x 10¹² Hz.
The frequency of the photon is 3.3 x 10¹² Hz.
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