The sun's radiation is most intense in the visible region.
TRUE , Other most intense region is UV.
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Radio waves travel in vacuum at a lower speed than the visible
light.
False
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The Earth's atmosphere is quite transparent to infrared
radiation. Â
False
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Gamma rays can be produced through electrons oscillating in
wires of electric circuits.
False
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Visible light is often emitted when valence electrons change
their state.
True - example is light bulbs
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A vertical automobile antenna is sensitive to electric fields
polarized vertically -
True.
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X-rays travel in vacuum at a higher speed than the visible
light
False. All electromagnetic waves travel at same speed,
speed of light.
