1)TrueFalse: The Earth\'s atmosphere is quite transparent to infrared radiation.
ID: 1322608 • Letter: 1
Question
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.
7) TrueFalse: gamma rays travel in vacuum at the same speed as the visible light.
Explanation / Answer
1.False: The Earth's atmosphere is quite transparent to infrared radiation.
2.True: Radio waves have wavelengths longer than 1 m
3.False: The sun's radiation is most intense in the infrared region.
4.False: Radio waves travel in vacuum at a lower speed than the visible
light.
5.False: X-rays travel in vacuum at a higher speed than the visible light.
6.True: A vertical automobile antenna is sensitive to electric fields
polarized vertically.
7.True: Gamma rays travel in vacuum at the same speed as the visible light.
.
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