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2 May, 01:49

What is the energy of photons emitted by the led at a frequency of 610 thz mcat?

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  1. 2 May, 05:19
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    The photon energy is the energy carried by a single proton.

    The equation used for calculating photon energy is:

    E = hc / λ

    where h = Planck constant

    c = speed of light and

    λ = wavelength of photon

    frequency = f = c / λ

    replace c / λ with f in the equation of photon energy

    E = hf

    frequency = 610 thz = 6.1 x 10¹⁴hz

    h = 6.26 x 10⁻³⁴ js

    E = 6.26 x 10⁻³⁴ x 6.1 x 10¹⁴

    E = 3.8 x 10 ⁻¹⁹ j
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