Which travels fastest in a vacuum?
A) radio waves
B) light
C) X-rays
D) all the same
Correct Answer:
Verified
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
Q16: Electromagnetic waves can travel in
A)a vacuum.
B)water.
C)both of
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
Q22: Relative to ultraviolet waves,the wavelength of infrared
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