Electromagnetic waves are
A) longitudinal.
B) reverse.
C) transverse.
D) a combination of these.
Correct Answer:
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Q16: If a wave has a period of
Q17: Which of the following radiations has the
Q18: Wave amplitude is related to
A) wave velocity.
B)
Q19: Which of the following characterize(s) a wave?
A)
Q20: For a longitudinal mechanical wave, the particle
Q22: A sound with a frequency of 25
Q23: A radar pulse returns 9.0 × 10-4
Q24: An increase of 20 dB increases the
Q25: Light waves travel fastest in
A) water.
B) glass.
C)
Q26: The region of the electromagnetic spectrum with
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