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

Question

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

True False  The Earth's atmosphere is quite transparent to infrared radiation.
True False  The sun's radiation is most intense in the visible region.
True False  A vertical automobile antenna is sensitive to electric fields polarized vertically.
True False  Visible light is often emitted when valence electrons change their state.
True False  Gamma rays travel in vacuum at the same speed as the visible light.
True False  Blue light has a higher frequency than X-rays.
True False  X-rays travel in vacuum at a higher speed than the visible light.

Explanation / Answer

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

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

A vertical automobile antenna is sensitive to electric fields polarized vertically. ------ True

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

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

Blue light has a higher frequency than X-rays. ----------- False

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

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