Select True or False for the following statements about electromagnetic waves. A

Question

Select True or False for the following statements about electromagnetic waves. A vertical automobile antenna is sensitive to electric fields polarized horizontally. The sun's radiation is most intense in the visible region. X- rays travel in vacuum at a higher speed than the visible light. Visible light is often emitted when valence electrons change their state. Radio waves travel in vacuum at a lower speed than the visible light. Gamma rays travel in vacuum at the same speed as the visible light. The Earth's atmosphere is quite transparent to infrared radiation.

Explanation / Answer

false A vertical automobile antenna is sensitive to electric fields polarized horizontally.

true The sun's radiation is most intense in the visible region.

false X- rays travel in vacuum at a higher speed than the visible light.

true Visible light is often emitted when valence electrons change their state.

falseRadio waves travel in vacuum at a lower speed than the visible light.

true Gamma rays travel in vacuum at the same speed as the visible light.

false The Earth's atmosphere is quite transparent to infrared radiation.

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