engineering recuitment NPCIL Plant Operator Mock Test Physics Dual Nature: Photon and Matter Waves The Photoelectric Effect
If the threshold frequency for photoelectric effect on sodium metal is 1.6 × 104 Hz, then find its work function (h = 6.6 × 10-34 Jsec)
1
10.56 × 10-34 J
2
15.56 × 10-30 J
3
15.6 × 10-30 J
4
10.56 × 10-30 J