Statement (A): Alpha particles are much heavier than electrons 

Statement (B): Alpha particles are positively charged. 

Statement (C): Alpha particles move with very high velocity.

  1. A

    All the above statements are correct

  2. B

    All the above statements are incorrect

  3. C

    A, B are correct and C is incorrect

  4. D

    A, B are incorrect and C is correct

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    Solution:

    I) Electrons have no considerable mass compared to alpha particles.

    II) Doubly ionized helium particle is called αParticles  has positive charge.

    III) It has less mass.

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