Posted by: Pdfprep
Post Date: February 7, 2021
During an electrical storm, a lightning flash is seen before the sound of thunder that it generated can be heard. The farther a person is from the storm, the greater the time interval between the light flash and the arrival of the sound.
Which of the following statements best explains this phenomenon?
A . Light travels faster than sound.
B . Sound travels somewhat faster than light.
C . Electricity can travel rapidly in the Earth’s atmosphere.
D . The density of the atmosphere decreases the speed of light.
E . Lightning consists of a flash of light followed by a loud sound.
Answer: A
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