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When photons of energy hv are incident on the surface of photosensitive material of work function $hv_0$, then - |
the kinetic energy of all emitted electrons is $hv_0$ the kinetic energy of all emitted electrons is $h (v –v_0)$ the kinetic energy of all fastest electrons is $h (v –v_0)$ the kinetic energy of all emitted electrons is hv |
the kinetic energy of all fastest electrons is $h (v –v_0)$ |
$\frac{1}{2}mv_{max}^2=hv-hv_0$ $=h (v –v_0)$ This is Einstein's equation of photoelectric effect. |
