Teaching NVS PGT 2024 Test Series Physics Dual Nature: Photon and Matter Waves The Photoelectric Effect
The light of two different frequencies whose photons have energies 3.8 eV and 1.4 eV respectively, illuminate a metallic surface whose work function is 0.6 eV successively. The ratio of maximum speeds of emitted electrons for the two frequencies respectively will be
1
1 ∶ 1
2
2 ∶ 1
3
4 ∶ 1
4
1 ∶ 4