We think you are located in South Africa. Is this correct?

End Of Chapter Exercises

End of chapter exercise

Exercise 11.4

What is the energy of a photon of EM radiation with a frequency of \(\text{3} \times \text{10}^{\text{8}}\) \(\text{Hz}\)?

Solution not yet available

What is the energy of a photon of light with a wavelength of \(\text{660}\) \(\text{nm}\)?

Solution not yet available

What is the energy of a photon of light with a frequency of \(\text{13}\) \(\text{THz}\)?

Solution not yet available

What is the wavelength of a photon of light with a frequency of \(\text{101,3}\) \(\text{kHz}\)?

Solution not yet available

What is the energy of a photon of light with a wavelength of \(\text{532}\) \(\text{nm}\) and one with a frequency of \(\text{13}\) \(\text{GHz}\) and which has the longer wavelength?

Solution not yet available

List the main types of electromagnetic radiation in order of increasing wavelength.

Solution not yet available

List the main uses of:

  1. radio waves

  2. infrared

  3. gamma rays

  4. X-rays

Solution not yet available

Explain why we need to protect ourselves from ultraviolet radiation from the Sun.

Solution not yet available

List some advantages and disadvantages of using X-rays.

Solution not yet available

What precautions should we take when using cell phones?

Solution not yet available

Write a short essay on a type of electromagnetic waves. You should look at uses, advantages and disadvantages of your chosen radiation.

Solution not yet available

Explain why some types of electromagnetic radiation are more penetrating than others.

Solution not yet available