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Question

Light waves travel


  1. faster than sound waves

  2. slower than sound waves

  3. as fast as sound waves

  4. with variable speeds


Solution

The correct option is A

faster than sound waves


The speed of light is much higher than the speed of sound. For example, in air, the speed of light is about 3×108m/s, whereas the speed of sound is about 330 m/s. 

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