Electromagnetic Spectrum 0.0 / 5 ? PhysicsElectromagnetismIGCSEAll boards Created by: Leggett14Created on: 21-04-15 19:01 Which type of electromagnetic radiation has the lowest energy? Radio Waves 1 of 21 Which type of electromagnetic radiation has the highest frequency? Gamma Rays 2 of 21 Which type of electromagnetic radiation has the shortest wavelength? Gamma Rays 3 of 21 What can split white light into its component colours? Prism 4 of 21 Which colour of light is refracted the furthest? Violet 5 of 21 Which type of electromagnetic radiation travels faster? All of the waves travel at the same speed in free space 6 of 21 What is Gamma Radiation used for? Killing cancer cells and sterilising food 7 of 21 What are X-rays used for? Medical images of bones 8 of 21 What are Ultraviolet waves used for? Detecting forged bank notes and tanning 9 of 21 What is visible light used for? To see things 10 of 21 What is Infrared used for? Optical fibre communication, remote controls, night vision 11 of 21 What are microwaves used for? Cooking, mobile phones, speed cameras 12 of 21 What are radio waves used for? Television signals, radio transmissions 13 of 21 Which type of UV has the highest hazard level? UVC 14 of 21 What are the dangers of microwaves? microwaves cause internal heating of body tissues 15 of 21 What are the dangers of infrared radiation? infrared radiation is felt as heat and causes skin to burn 16 of 21 What are the dangers of Ultraviolet radiation? ultraviolet radiation can cause cells to become cancerous, it can also cause blindness 17 of 21 How can you avoid the harmful affects of UV light? Wear UV blocking sunscreen to avoid skin cancer. Wear sunglasses and hats to protect eyes 18 of 21 What are the dangers of X-rays? X-rays damage cells causing mutations (may lead to cancer) and cell death 19 of 21 How can doctors avoid the dangers of X-rays? They can stand behind protective screens when taking X-rays 20 of 21 What are the dangers of Gamma Radiation? gamma rays damage cells causing mutations (cancer) and cell death 21 of 21
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