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

  • question_answer
    Assertion             :       Two persons on the surface of moon cannot talk to each other.  Reason                 :       There is no atmosphere on moon.

    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: A

    Solution :

                Sound waves require material medium to travel. As there is no atmosphere (vacuum) on the surface of moon, therefore the sound waves cannot reach from one person to another.


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