1. A photon of light has a frequency 5 x 1016Hz.
1.1. What is meant by the term "frequency"?
Audio 1.1
1.2. Are light waves longitudinal or transverse? Name the experiment that proves this.
1.3. Calculate the energy of this photon.
1.4. Calculate the wavelength of this photon.
1.5 Calculate the period.
2. A photon of light has wavelength of 4 x 10-8m.
2.1 Calculate the frequency.
2.2 Calculate the energy of the photon
3. What is meant by "the photoelectric effect"?
Audio 3
4. What is meant by the term "work function?"
Audio 4
5. What does the photoelectric effect tell us about the nature of light?
Audio 5
6. What is meant by "threshold frequency"?
Audio 6
7. What is meant by "quanta"?
• radiated energy is quantized
• it exists in multiples of a smallest possible value
Audio 7
8. What are "photons"?
9. What are "photoelectrons"?
Audio 9