Revise GCSE Physics


P1g Wireless Communications

  1. What is Wireless communication technology?
  2. If something uses batteries instead of a power lead, does this make it wireless?
  3. List some types of wireless communications.
  4. What uses can be made of wireless technology?
  5. What are the advantages of wireless communications?
  6. How do reflections affect wireless signals?
  7. Why is it difficult to communicate with distant places around the Earth?
  8. How can we communicate to distant parts of the Earth?
  9. How does the ionosphere actually reflect radio waves?
  10. How can wave properties like refraction and diffraction affect communications?