• Below is the electromagnetic spectrum; starting with short wavelengths and getting longer. We have also included some common uses which you may need to give in an exam question
• Gamma rays. Cancer treatment
• X-rays. Medical uses and security (at airports etc)
• Ultraviolet. Sun tanning
• Visable light. Human sight
• Infrared. Cooking (heat)
• Microwaves. Cooking
• Radio waves. Communication

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