Question

Which of the following are highly effective in producing ion pairs when they pass through the matter?

(a) Alpha particles

(b) Beta particles

(c) Gamma particles

(d) X-ray particles

I have been asked this question in an interview.

My doubt is from Fundamentals of Radiochemical Methods in section Radiochemical Techniques of Analytical Instrumentation

Answer 1

The correct answer is (a) Alpha particles

For explanation I would say: Alpha particles are highly effective in producing ion pairs when they pass through the matter. They have relatively large mass and charge.