JEE MAIN - Physics (2024 - 30th January Evening Shift - No. 11)
For the photoelectric effect, the maximum kinetic energy $$\left(E_k\right)$$ of the photoelectrons is plotted against the frequency $$(v)$$ of the incident photons as shown in figure. The slope of the graph gives
_30th_January_Evening_Shift_en_11_1.png)
Planck's constant
Work function of the metal
Charge of electron
Ratio of Planck's constant to electric charge
Explanation
$$\begin{aligned}
& \text { K.E. }=\mathrm{hf}-\phi \\
& \tan \theta=\mathrm{h}
\end{aligned}$$
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