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J & K CET Engineering J and K - CET Engineering Solved Paper-2004

  • question_answer
    The wave theory of light was given by

    A)  Maxwell     

    B)  Planck

    C)  Huygen      

    D)  Young

    Correct Answer: C

    Solution :

    In 1678 Huygen proposed the wave theory of  light. According to Huygen, light travels in the  form of waves. These waves after emerging  from the light source travel in all directions  with the velocity of light. Since, waves require a medium to travel Huygen proposed an all pervading medium ether.                   


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