Electromagnetic waves consist of
A) compressions and rarefactions of electromagnetic pulses.
B) oscillating electric and magnetic fields.
C) particles of light energy.
D) high-frequency gravitational waves.
Correct Answer:
Verified
Q13: The source of all electromagnetic waves is
A)changes
Q14: Sunburns are produced by
A)ultraviolet light.
B)visible light.
C)infrared light.
D)all
Q15: Compared to radio waves, the velocity of
Q16: The main difference between a radio wave
Q18: Which of the following is fundamentally different
Q21: A solar eclipse occurs when the
A)sun passes
Q22: In the periphery of our vision,we are
A)more
Q23: Glass is transparent to wave frequencies that
A)match
Q33: When ultraviolet light is incident upon glass,
Q35: When visible light is incident upon clear
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