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Electromagnetic wave concepts Select True or False for the following statements about electromagnetic waves. False A vertical automobile antenna is sensitive to electric fields polarized horizontally. False X-rays travel in vacuum at a higher speed than the visible light. Gamma rays travel in vacuum at the same speed as the visible light. The sun's radiation is most intense in the infrared region. ✓Ultraviolet radiation causes common sunburn. Visible light is often emitted when valence electrons change their state. Radio waves travel in vacuum at a lower speed than the visible light. Submit Answer Tries 0/10 'H