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Light can travel in vacuum but not sound, because ________.
  • a)
    speed of sound is very slow than light
  • b)
    light waves are electromagnetic in nature
  • c)
    sound waves are electromagnetic in nature
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Light can travel in vacuum but not sound, because ________.a)speed of ...
  • Light can travel in a vacuum because the light is electromagnetic in nature which requires no medium as electric fields and magnetic fields constantly generate each other as the wave propagates.
  • Sound waves require a medium to travel. The speed of sound is faster in solid materials, slower in liquids and slowest in gases.
  • The speed of light in a vacuum is commonly given the symbol c. It is a universal constant that has the value c = 3 x 108 m/second.
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Light can travel in vacuum but not sound, because ________.a)speed of sound is very slow than lightb)light waves are electromagnetic in naturec)sound waves are electromagnetic in natured)None of theseCorrect answer is option 'B'. Can you explain this answer?
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