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End of chapter exercises

End of chapter exercises

Textbook 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 \(\text{13}\) \(\text{THz}\)?

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

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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?

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

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List the main uses of:

  1. radio waves

  2. infrared

  3. gamma rays

  4. X-rays

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

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List some advantages and disadvantages of using X-rays.

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What precautions should we take when using cell phones?

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

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

Solution not yet available