Identify the fundamental physical constant that equals the product of the electronic…
PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation
Problem
Identify the fundamental physical constant that equals the product of the electronic charge e and the slope of a straight-line graph drawn between stopping potential V0 (vertical axis) and frequency ν (horizontal axis) for a metal surface.
(a) Charge of electron
(b) eh (slope only)
(c) Planck constant
(d) Work function of the metal