Q.
In photo electric effect, the slope of the straight line graph between stopping potential and frequency of the incident light gives the ratio of Planck's constant to
2021
283
Dual Nature of Radiation and Matter
Report Error
Solution:
hv=hv0+K⋅E
at stopping potential K.E=eV ⇒hv=hv0+eV V=eh(v−v0)
The slope of graph b/w stopping potential and frequency is eh, where e is charge of electron.