Alpha radiation is a heavy, very short-range particle and is actually an ejected helium nucleus. And most alpha radiation cannot penetrate the skin or clothes such as other radiations. Plus the symbol for alpha radiation is ''a''.
beta radiation
Beta radiation is a light, short-range particle and is actually an ejected electron. can penetrate human skin to the "germinal layer," where new skin cells are produced. Also a decent shield from this radiation is heavy clothing. plus the symbol for this radiation is ''b''
gamma radiation
Gamma radiation are highly penetrating electromagnetic radiation. Also can penetrate threw most materials but led and concrete can be a decent shield. The symbol of gamma radiation is ''y''
Did you know?
The reason Dr. Banner is the monstrous, green thing we call Hulk today is because of gamma radiation.