The electromagnetic spectrum, communication and hazards

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By the end you’ll be able to

state the order of the electromagnetic spectrum and compare electromagnetic waves in terms of wavelength, frequency and energy
describe all electromagnetic waves as transverse waves that transfer energy at the same speed in a vacuum
identify typical uses of radio waves, microwaves, infrared radiation, visible light, ultraviolet, X-rays and gamma rays

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evaluate hazards associated with different regions of the electromagnetic spectrum, including tissue heating, skin damage, eye damage, mutation and cancer risk

relate the risks and uses of electromagnetic radiation to penetration, absorption and ionising ability

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