Physics · 2021
JEE Main · 3 August 2021, Shift 1 · Q25
A photoelectric metal of work function 1 eV is used for photoelectric effect. When a radiation of wavelength 621 nm is incident on the photometal,…
A photoelectric metal of work function $\displaystyle 1$ eV is used for photoelectric effect. When a radiation of wavelength $\displaystyle 621$ nm is incident on the photometal, the maximum kinetic energy of photoelectrons approximately is \_\_\_\_ (in eV). [Given $\displaystyle \mathrm{hc}=1242 \mathrm{eV}-\mathrm{nm}$ ]
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