The figure shows different graphs between stopping potential

Last updated: 6/9/2023

The figure shows different graphs between stopping potential Vo and frequency v for photosensitive surface of cesium potassium sodium and lithium The plots are parallel Which of the following about their work function is correct V 1 Cesium i Potassium Sodium iv Lithium 5 0 5 2 5 4 5 6 5 8 1 i ii iii iv 2 i iii ii iv 3 iv iii ii i 4 i iii ii iv 10 Hz