For the photoelectric effect, the maximum kinetic energy $(E_{k})$ of the photoelectrons is plotted against the frequency (ν) of the incident photons as shown in figure. The slope of the graph gives

Question

Smart Achievers · Accepted Answer

(4)

$K.E. = h f - ϕ$

$\tan θ = h$

Solution

Q.
For the photoelectric effect, the maximum kinetic energy $(E_{k})$ of the photoelectrons is plotted against the frequency (ν) of the incident photons as shown in figure. The slope of the graph gives

1 Ratio of Planck’s constant to electric charge

2 Work function of the metal

3 Charge of electron

4 Planck’s constant

Ans.
(4)

$K.E. = h f - ϕ$

$\tan θ = h$

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