Question

(i) What is the work function of the metal whose threshold wavelength (λ0) is 33.33 nm. [2]

(ii) Also calculate, the maximum kinetic energy of the photoelectron emitted when a light of energy

26.4 × 10–18 J falls on the surface of the given metal.​

Answer 1

Answer:

This value is the maximum possible kinetic energy of the photoelectron. The equation, which Einstein determined, says (electron's maximum kinetic energy) = (energy of the incident light energy packet) minus (the work function). For the example, the electron's maximum kinetic energy is: 2.99 eV - 2.75 eV = 0.24 eV.

Explanation:

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