1. What does it mean to say that energy is
quantized?
2. How is the energy of a quantum of radiant
energy related to its frequency?
3. Why do you not ordinarily observe the
quantization of energy in the world around you?
4. Connection-Biology
People who work around X-Rays often
wear film badges to monitor the amount of radiation to which they are
exposed. Why do X-Rays expose film in
the badge when other kinds of electromagnetic radiation do not?
5. Give two example of photoelectric cells and
explain how they work.
6. Could you use a highly intense beam of red
light to eject electrons from the surface of a metal? Explain your answer.