Ap Eapcet
Dual Nature Of Radiation
AP EAPCET 2025 - 22nd May Evening Shift
MCQ+1 / -02025
If the threshold wavelength of light for photoelectric emission to take place from a metal surface is $6250 \mathop {\rm{A}}\limits^{\rm{o}}$, then the work function of the metal is (Planck's constant $=6.6 \times 10^{-34} \mathrm{Js}$ )