Teaching NVS PGT 2024 Test Series Physics Dual Nature: Photon and Matter Waves The Photoelectric Effect
A surface has work-function 2.4 eV. The kinetic energies of fastest photo electrons emitted from its surface under radiations of photon energies 3.00 eV and 4.00 eV will bear the ratio
1
27 : 32
2
3 : 4
3
1 : 2
4
3 : 8