Electromagnetic waves can travel in
A) a vacuum.
B) water.
C) both of these
D) none of the above
Correct Answer:
Verified
Q1: A changing electric field induces a changing
A)magnetic
Q10: Electromagnetic waves consist of
A)compressions and rarefactions of
Q12: A wave with a high frequency has
Q13: If an electric charge is rapidly shaken
Q14: Which of the following occupies the smallest
Q15: Which of these has a higher frequency
Q17: Which travels fastest in a vacuum?
A)radio waves
B)light
C)X-rays
D)all
Q19: The main difference between a radio wave
Q20: The source of electromagnetic waves is vibrating
A)electric
Q21: Electrons in glass have a natural frequency
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