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    science
    Grade-9
    Easy

    Question

    According to Rutherford, α-particles gets deflected by:

    1. Large amount
    2. Sometimes large, sometimes small
    3. Sometimes small
    4. Very small amount

    Hint:

    Alpha particles are deflected by a magnetic field confirming that they must carry a charge. The direction of deflection which can be determined by Fleming's left hand rule demonstrates that they must be positively charged.

    The correct answer is: Large amount

      In Rutherford's α-particle scattering experiment, most of the α-particles were deflected by nearly 1800. Reason: The positive charge of the atom is spread throughout the atom that repelled and deflected the positively charged α-particles.

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