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SHS Physics · Year 2

Photoelectric Effect and Radioactivity practice questions

Wave-particle duality, the photoelectric effect, Einstein's equation, radioactivity and the decay law.

25 questions in this topic: 8 recall, 11 applying skills and concepts and 6 strategic thinking. Every one carries a written explanation.

Sample questions

5 of 25 questions in this topic. Sign up to answer them and see the explanations.

  1. Question 1Recall

    Wave-particle duality is the concept that quantum objects can exhibit

    • aboth wave-like and particle-like properties
    • bonly wave properties
    • conly particle properties
    • dno properties at all
  2. Question 2Strategic thinking

    Electrons passed through a thin sheet of graphite produce an interference pattern, showing their

    • awave-like nature
    • bmagnetic nature
    • cchemical nature
    • dthermal nature
  3. Question 3Recall

    Radioactivity is the spontaneous disintegration of an unstable nucleus with the emission of

    • aradiation and the release of energy
    • bsound only
    • cwater vapour
    • dvisible light only
  4. Question 4Strategic thinking

    Wave-particle duality challenges classical physics, which traditionally categorised light as a

    • awave and matter as particles
    • bparticle and matter as waves
    • csolid
    • dliquid
  5. Question 5Skills & concepts

    The work function is often given in electron volts and must be converted to

    • ajoules
    • bnewtons
    • cwatts
    • dvolts

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