What is the energy of a photon of EM radiation with a frequency of \(\text{3} \times \text{10}^{\text{8}}\) \(\text{Hz}\)?
End of chapter exercises
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End of chapter exercises
What is the energy of a photon of light with a wavelength of \(\text{660}\) \(\text{nm}\)?
What is the energy of a photon of light with a frequency of \(\text{13}\) \(\text{THz}\)?
What is the wavelength of a photon of light with a frequency of \(\text{101,3}\) \(\text{kHz}\)?
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?
List the main types of electromagnetic radiation in order of increasing wavelength.
List the main uses of:
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radio waves
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infrared
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gamma rays
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X-rays
Explain why we need to protect ourselves from ultraviolet radiation from the Sun.
List some advantages and disadvantages of using X-rays.
What precautions should we take when using cell phones?
Write a short essay on a type of electromagnetic waves. You should look at uses, advantages and disadvantages of your chosen radiation.
Explain why some types of electromagnetic radiation are more penetrating than others.
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