The Stopping Potential for Electrons Ejected by 6

Multiple Choice

The stopping potential for electrons ejected by 6.8 * 10¹⁴-Hz electromagnetic radiation incident on a certain sample is 1.8 V.The kinetic energy of the most energetic electrons ejected and the work function of the sample, respectively, are:

A) 1.8 eV, 2.8 eV
B) 1.8 eV, 1.0 eV
C) 1.8 eV, 4.6 eV
D) 2.8 eV, 1.0 eV
E) 1.0 eV, 4.6 eV