Assertion (A): Among alpha, beta, and gamma rays, alpha particles have the maxim

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1. Assertion (A): Among alpha, beta, and gamma rays, alpha particles have the maximum penetrating power. Reason (R): Alpha particles are heavier than beta particles and gamma rays. Which is correct?

Both A and R are true, and R correctly explains A

Both A and R are true, but R does not correctly explain A

A is true, but R is false

A is false, but R is true

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Alpha particles actually have the LEAST penetrating power of the three, easily stopped by a sheet of paper, making Assertion A false. Reason R, however, is true — their comparatively large mass is precisely why they’re stopped so easily.