Light of wavelength 400 nm is incident on a certain metal.The stopping potential for the emitted electrons is measured to be 1.2 V.What is the work function of this metal? (Planck's constant h = 6.626 $\times$ 10^-34 J · s = 4.136 $\times$ 10^-15 eV s.) A)4.3 eV B)3.1 eV C)1.9 eV D)1.2 eV E)0.95 eV

Question

Quizplus · Accepted Answer

The Answer of Light of wavelength 400 nm is incident on a certain metal.The stopping potential for the emitted electrons is measured to be 1.2 V.What is the work function of this metal? (Planck's constant h = 6.626 $\times$ 10^-34 J · s = 4.136 $\times$ 10^-15 eV s.) A)4.3 eV B)3.1 eV C)1.9 eV D)1.2 eV E)0.95 eV

Light of Wavelength 400 Nm Is Incident on a Certain ×\times×

Light of Wavelength 400 Nm Is Incident on a Certain $\times$