Select True or False for the following statements about electromagnetic waves. G
ID: 1322161 • Letter: S
Question
Select True or False for the following statements about electromagnetic waves.
Gamma rays travel in vacuum at the same speed as the visible light.
1)TrueFalse: The Earth's atmosphere is quite transparent to infrared radiation.
2) TrueFalse: Radio waves travel in vacuum at a lower speed than the visible light.
3) TrueFalse: Radio waves have wavelengths longer than 1 m.
4) TrueFalse: The sun's radiation is most intense in the infrared region.
5) TrueFalse: X-rays are produced by a glowing light bulb.
6) TrueFalse: A vertical automobile antenna is sensitive to electric fields polarized horizontally.
Explanation / Answer
False: The Earth's atmosphere is quite transparent to infrared radiation.
True: A vertical automobile antenna is sensitive to electric fields
polarized vertically.
True: Radio waves have wavelengths longer than 1 m.
False: X-rays travel in vacuum at a higher speed than the visible light.
True: Gamma rays travel in vacuum at the same speed as the visible light.
False: The sun's radiation is most intense in the infrared region.
False: Radio waves travel in vacuum at a lower speed than the visible
light.