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Different types of EM Radiation

Different types of EM Radiation. 26 Mar 2012. Learning Objectives. Be able to recall the names of some different types of radiation Be able to recall some uses for each type Level 3-5 Be able to describe the type of radiation in terms of it’s wavelength and Energy Level 5-7.

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Different types of EM Radiation

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  1. Different types of EM Radiation 26 Mar 2012

  2. Learning Objectives • Be able to recall the names of some different types of radiation • Be able to recall some uses for each type • Level 3-5 • Be able to describe the type of radiation in terms of it’s wavelength and Energy • Level 5-7

  3. Wavelength and frequency Link the following together Short squashed wave Long wavelength High frequency Long stretched out wave Short wavelength Low Frequency

  4. Task: make light waves

  5. Task: make light waves • The waves should all have the same amplitude( height). • Instead of μm we will use mm. So 400 μm will be 400 mm. • Make the total length of all your waves together the same. About 3 or 4 metres.

  6. See seeSeñor

  7. Cats vs humans (extension task) • Cats have much better night vision than humans • They can’t see colour though. • This has to do with the amount of rods and cones in their retina. Q) What difference do you imagine there is between the amount of rods and Cones in a cat’s eye versus a human’s eye and why does this affect their night and colour vision?

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