Question

Which is true regarding the penetrating power of radiation? (2 points) Select one:

a. Alpha is the most penetrating.
b. Beta is less penetrating than alpha.
c. Alpha is more penetrating than gamma.
d. Gamma is more penetrating than beta.

Answer 1

Answer:d

Explanation:

Alpha particles are heaviest among alpha, beta and gamma so they have least amount of Penetration compared to both.

Gamma Particles are lightest among three so they can Penetrate most .

The order of Penetration is given by

Alpha< Beta < Gamma