defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Physics Dual Nature: Photon and Matter Waves The Photoelectric Effect
If the intensity and frequency of incident light is doubled then :
1
photo electric current will be doubled
2
the kinetic energy of the emitted electron will be increased and photo electric current will be 2 times
3
the kinetic energy of electrons will be 4 times
4
the kinetic energy of electrons will be 2 times