Which one of the following relations correctly gives the maximum kinetic energy of…

PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation

Problem

Which one of the following relations correctly gives the maximum kinetic energy

K_{\text{max}}

of photoelectrons in terms of the stopping potential

V_0

and the elementary charge

e

? (a)

\sqrt{2}\,e V_0

(b)

\dfrac{1}{2}\,e V_0

(c)

e V_0

(d)

2 e V_0