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Question 18M.1.HL.TZ2.37

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.HL.TZ2.37
Level HL Paper 1 Time zone TZ2
Command term Question number 37 Adapted from N/A
37.
[Maximum mark: 1]
18M.1.HL.TZ2.37

A photoelectric cell is connected in series with a battery of emf 2 V. Photons of energy 6 eV are incident on the cathode of the photoelectric cell. The work function of the surface of the cathode is 3 eV.

                                                        M18/4/PHYSI/HPM/ENG/TZ2/37

What is the maximum kinetic energy of the photoelectrons that reach the anode?

A.     1 eV

B.     3 eV

C.     5 eV

D.     8 eV

[1]

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A

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