Q.1.
What is background radiation due to?
Q.2.
What is an alpha particle?
Q.3.
What is a beta particle?
Q.4.
What is gamma radiation?
Q.5.
Which type of radiation would be blocked by a thin sheet of paper?
Q.6.
Which type of radiation would be blocked by a thin sheet of aluminium - but not by paper?
Q.7.
Which type of radiation would be blocked by several inches of lead - but not by a thin sheet of aluminium or paper?
Q.8.
What types of radiation can be deflected by electric and magnetic fields?
Q.9.
What is the half-life of a radioactive isotope?
Q.10.
Which radiation is deflected more by electric and magnetic fields?