Teaching RPSC School Lecturer Mock Test Series 2024 Physics Dual Nature: Photon and Matter Waves The Photoelectric Effect
How many photons are emitted by a laser source of 5 × 10–3 W operating at 632.2 nm in 2 s? (h = 6.63 × 10–34 Js)
1
3.2 × 1016
2
1.6 × 1016
3
4 × 1016
4
0.4 × 1016
5
Question Not Attempted