JEE Main & Advanced Physics Wave Mechanics Question Bank Assertion and Reason

  • question_answer
    Assertion  :         The flash of lightening is seen before the sound of thunder is heard. Reason                 :   Speed of sound is greater than speed of light  [AIIMS 2002]

    A)             If both assertion and reason are true and the reason is the correct explanation of the assertion.

    B)             If both assertion and reason are true but reason is not the correct explanation of the assertion.

    C)             If assertion is true but reason is false.

    D)             If the assertion and reason both are false.

    E)             If assertion is false but reason is true.

    Correct Answer: C

    Solution :

                Speed of light is greater than that of sound, hence flash of lightening is seen before the sound of thunder.


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