An aluminum foil is placed across a beam of radiation from a radioactive source. Which of the following types of radiation will be stopped by it?

MsJhannie

10 years ago

A is correct.



penetrating power increases from alpha particle »beta particle»gamma rays.

Alpha particles is stopped by a thin piece of paper, beta by aluminum foil and gamma by which block of lead.

MsJhannie

10 years ago

thick block of lead*