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Waves (E.M Spectrum (Radio Waves (Dangers - Could possibly cause cancer,…
Waves
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E.M Spectrum
Radio Waves
Dangers - Could possibly cause cancer, leukaemia and other disorders if a woman is pregnant
Uses - Radio communication, broadcasting, navigation systems etc
Micro Waves
Dangers - Exposure to microwaves can cause burns to skin which could lead to possible cancer
Uses - Heating food, wireless networks
Infrared Waves
Dangers - Eye damage
Uses - Electrical heaters, remote controls, IV cameras
Visible Light Waves
Dangers - Could damage eye receptors when looking straight into sun or light.
Uses - To look at planets and predict weather
Ultraviolet Rays
Dangers - Sun damage to skin, could cause the skin to age
Uses - Sterilisation to tools.
X-Rays
Dangers - Risk to cancer
Uses - X-Rays in hospitals, Seeing bones
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Light Movement
Reflection
The throwing back by a body or surface of light, heat, or sound without absorbing it.
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Refraction
Change in direction of propagation of any wave as a result of its travelling at different speeds at different points along the wave front.
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