A magnesium surface has a work function of 2.65 eV. Electromagnetic waves with a wavelength of 280 nm strike the surface and eje

Question

4 years ago

5

ct electrons. Find the maximum kinetic energy of the ejected electrons. Express your answer in electron volts.

1 answer:

Neko [114] · Answer 1 · 2021-12-22T18:02:05+03:00

Neko [114]4 years ago

8 0

Answer:

Explanation:

Energy of radiation in eV = 1237.5/280 = 4.42 eV.

Work function = 2.65 eV.

Maximum kinetic energy = 4.42 - 2.65 = 1.77 eV.