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Q.

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.

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a

All the above statements are incorrect

b

A, B are correct and C is incorrect

c

All the above statements are correct

d

A, B are incorrect and C is correct

answer is A.

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Detailed Solution

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

II) Doubly ionized helium particle is called $α - Particles$ has positive charge.

III) It has less mass.

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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.