Test yourself on Lesson 7
Quiz
Which one of these is a particle given off by a radioactive element?
- Alpha
- Gamma
- Theta
- Kappa
Which one of these is an electromagnetic radiation given off by a radioactive element?
- Alpha
- Beta
- Gamma
- Delta
An alpha particle is
- helium atom
- helium nucleus
- helium electron
- random part of the nucleus
Background radiation is due to:
- Fall out from atomic bomb tests during the Nineteen Fifties
- a leaky container of a radioactive source.
- the imagination of a physics teacher who wants to make the demonstration more complicated.
- radioactive materials that are naturally in the ground.
Which one of these statements is correct?
- Alpha, beta, and gamma are all deflected by a magnetic field.
- When alpha and beta particles pass through a magnetic field, they are deflected in opposite directions.
- When alpha and beta particles pass through a magnetic field, they are deflected in the same direction.
- Only gamma rays are defelected by a magnetic field.