defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Physics Dual Nature: Photon and Matter Waves Photoelectric Effect and Wave Theory of Light
Why can't we explain the photoelectric effect by the wave theory of light?
1
The maximum kinetic energy of the photoelectrons does not depend on the intensity of light
2
The photoelectric emission is instantaneous
3
Both 1 and 2
4
None of these