Ap EapcetDual Nature Of RadiationAP EAPCET 2024 - 19th May Evening ShiftMCQ+1 / -02024The longest wavelength of light that can initiate photo electric effect in the metal of work function 9 eV isA$1.37 \times 10^{-7} \mathrm{~m}$B$1.5 \times 10^{-7} \mathrm{~m}$C$3.7 \times 10^{-7} \mathrm{~m}$D$4 \times 10^{-7} \mathrm{~m}$Check AnswerClear SelectionReveal AnswerShow Explanation
