2. Electromagnetic Communication20 Jan Class listSeating Plan Electromagnetic Communication 20 Jan 2012

3. Electromagnetic Communication20 Jan Class listSeating Plan Learning Objectives Be able to describe: how radio waves, microwaves and infra-red radiations can be used for communication. – Level 5-7 Be able to describe why radiation is used for communication. – Level 3-5

4. Electromagnetic Communication20 Jan Class listSeating Plan 6 mark question Explain using what you know about Electromagnetic radiation, which type of radiation is used for TV, Satellite and Endoscopes. Give reasons for your answer.

5. Electromagnetic Communication20 Jan Class listSeating Plan Infra-red and Visible

6. Electromagnetic Communication20 Jan Class listSeating Plan

7. Electromagnetic Communication20 Jan Class listSeating Plan

8. Electromagnetic Communication20 Jan Class listSeating Plan

9. Electromagnetic Communication20 Jan Class listSeating Plan Infra-red and visible Used in Fibre optics: Law of refraction – Total internal reflection Light picked up by detector, turned into electrical signal.

10. Electromagnetic Communication20 Jan Class listSeating Plan

11. Electromagnetic Communication20 Jan Class listSeating Plan

12. Electromagnetic Communication20 Jan Class listSeating Plan

13. Electromagnetic Communication20 Jan Class listSeating Plan

14. Electromagnetic Communication20 Jan Class listSeating Plan

15. Electromagnetic Communication20 Jan Class listSeating Plan To do… (in your books) Read the passage about the television satellite and answer the questions that follow. If you need to go back over the requirements for achieving a higher grade, which are stated after the questions.