elenaryerson elenaryerson
  • 09-11-2020
  • Chemistry
contestada

A quantum of light has frequency of 1.8 x 10^14 Hz. Finds its energy.

Respuesta :

ardni313
ardni313 ardni313
  • 10-11-2020

Its energy : 1.193 x 10⁻¹⁹ J

Further explanation

Radiation energy is absorbed by photons

The energy in one photon can be formulated as

[tex]\large{\boxed{\bold{E\:=\:h\:.\:f}}}[/tex]

Where

h = Planck's constant (6,626.10⁻³⁴ Js)

f = Frequency of electromagnetic waves

f = c / λ

c = speed of light

= 3.10⁸

λ = wavelength

[tex]\tt E=6.626\times 10^{-34}\times 1.8\times 10^{14}\\\\E=1.193\times 10^{-19}~J[/tex]

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