JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Assertion and Reason

  • question_answer
    Assertion             :       If a proton and an electron are placed in the same uniform electric field. They experience different acceleration.             Reason     :   Electric force on a test charge is independent of its mass.         [AIIMS 1994]

    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: B

    Solution :

                Electron and proton have same amount of charge so they have same coulomb force. They have different accelerations because they have different masses \[(a=\frac{F}{m})\] Therefore, both assertion and reason are true and reason is the correct explanation of the assertion.


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