2024HSCMultiple choice

Q16

1 mark

Question

The graph shows the relationship between the maximum kinetic energy of emitted photoelectrons and the incident photon energy for four different metal surfaces.

Light of frequency $7 \times 10^{14}\,\mathrm{Hz}$ is incident on the metals.

From which metals are photoelectrons emitted?
A. K, Li only
B. Mg, Ag only
C. All of the metals
D. None of the metals

Uncropped source page 10 for question 16; requires human review and cropping — Reviewed visual · source page 10

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Syllabus alignment

Module 7 · The Nature of Light

Light: Quantum ModelExplain the photoelectric effect with photons, work function and conservation of energy.

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