An experiment yields the empirical relation (with in volts and in hertz)

PHYSICS · Subjective · A Level · Physics · Particles and radiation · Particles and radiation

Problem

An experiment yields the empirical relation

V_{\text{stop}} = (4.05\times10^{-15})f - 1.1

(with

V_{\text{stop}}

in volts and

f

in hertz). Calculate the experimental value of Planck’s constant implied by this result.