What do all electromagnetic waves have in common ? - It can travel through a vacuum and travel at the same speed , What is the speed of electromagnetic waves in a vacuum - 3.0 x 108 m/s, What are applications of radio waves ? - Radio and television transmissions and radar , What are the applications of microwaves ? - Satellite television mobile phones and microwave ovens , What are the applications of infrared light ? - Remote controllers and thermal imaging , Applications of visible light ? - Vision and photography , What are the applications of ultraviolet light ? - Detecting fake banknotes and sterilisation, What are the applications of X-rays ? - Medical scanning and security scanners , What are the applications of gamma rays ? - Detection of cancer and its treatment , What are there harmful effects of microwaves ? - High power microwaves can cause heating , What are the harmful effects of infrared light ? - High intensity infrared can cause burns , Are the harmful effects of ultraviolet light ? - Damage to surface cells and eyes and can cause cancer by ionising, Other harmful effects of X-rays and gamma rays ? - Can cause mutations and damage to cells in the body,

Electromagnetic spectrum

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