Answered

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What is the lowest frequency of light that can cause the release of electrons from a metal that has a work
function of 2.8 eV?

Sagot :

mayasherchan734
Light of wavelength 360 nm strikes a metal whose work function is 2.4 eV.
onyebuchinnaji

The lowest frequency of light that can cause the release of electrons at the given work function is 6.78 x 10¹⁴ Hz.

Lowest frequency of the metal

The lowest frequency of the metal is calculated as follows;

E = hf

f = E/h

where;

  • E is the energy of the photon
  • h is Planck's constant

f = (2.8 x 1.6 x 10⁻¹⁹)/(6.63 x 10⁻³⁴)

h = 6.78 x 10¹⁴ Hz

Thus, the lowest frequency of light that can cause the release of electrons at the given work function is 6.78 x 10¹⁴ Hz.

Learn more about frequency here: https://brainly.com/question/254161

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