engineering recuitment NPCIL Plant Operator Mock Test Physics Dual Nature: Photon and Matter Waves The Photoelectric Effect
The wavelength of photon is 4000 Å, then the energy will be
1
4.97 × 10-20 J
2
4.97 × 10-16 J
3
4.97 × 10-18 J
4
4.97 × 10-19 J