Question

Which statement comparing the penetrating power of different types of radiation is correct?

Answer 1

The correct option is A.
There are three types of radiation, these are alpha, beta and gamma radiations. Alpha radiation has the lowest penetrating power and can be easily stopped by a thin sheet of paper. Beta radiation has more penetrating power than alpha radiation and can be absorbed by a few centimeter of aluminium sheet. Gamma radiation has the highest penetrating power and can only be stopped by heavy materials such as lead blocks.

Answer 2

Answer:

A. Gamma radiation is more penetrating than alpha radiation.

Explanation:

Gamma is the most, then beta, then alpha