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EnglandPhysicsQuick questions
3.2 Particles and radiation
Quick questions on The photoelectric effect: threshold frequency and the photon model - AQA A-Level Physics
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Define the work function of a metal. [1 mark]
What is q2?Show answer
Explain why no electrons are emitted below the threshold frequency, however intense the light. [3 marks]
What is q3?Show answer
State what the gradient of a graph of maximum kinetic energy against frequency represents. [1 mark]
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