science 0.0 / 5 ? PhysicsWavesGCSEAQA Created by: zai_nanCreated on: 28-03-15 15:02 what are the 7 types of electromagnetic (em) waves? gamma rays, x-rays , ultra-violet , visible light , infrared , microwaves , radio waves 1 of 10 em waves with higher frequencies have ? longer or shorter wavelengths shorter wavelengths 2 of 10 em waves with lower frequencies have shorter or longer wavelengths ? longer wavelengths 3 of 10 what are radio waves used for and give examples comunication , tv , radios and bluetooth 4 of 10 what are microwaves used for and give examples. satellite communication and mobile phones 5 of 10 what are infrared waves used for ? they are used for wireless remote controlles 6 of 10 what are visible light useful for cameras and photography 7 of 10 why are xrays useful ? they are used in hospitals to check for any broken bones and cracked metals 8 of 10 what are the uses of gamma ray sterilising food or an item . kill bacteria and can destroy cancer cells in the body 9 of 10 what are the uses of ultraviolet ? can cause blindless , invisible writings can be seen , it can course skin cancer / sunburn 10 of 10
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