radioactive ToP JHS

Which of the following is a good description of radioactivity?

• The energy necessary for the creation of zombies

• Elements that have unstable nuclei that may decay and result into transformation into a new element

• The way that atoms of elements clone themselves into new copies

• The method by which electrons are stripped from atoms to become charged particles

Because of its ability to penetrate materials, which of the following is the most dangerous radiation?

• gamma

• alpha

• beta

• medical X-rays

Select all that are uses for radioactive materials.

• glow in the dark paint for clocks

• smoke detectors

• nuclear power

• nuclear bomb

Which of the following radioactive radiation has positive charge?

• Alpha

• Beta

• Gamma

Beta radiation is actually a ..

• Helium atom

• Electron

• Electromagnetic radiation

• Neutron

Which of the following atomic structure is correct?

• 
• 
• 

What is the radioisotope used to detect thickness of aluminium?

• Alpha : high ionising power

• Beta : can penetrate paper

• Gamma : can penetrate aluminium

this is the characteristics of beta radiation. except...

• medium penetrating power

• most dangerous inside of body

• not affected by a magnetic field

• medium range of radiation

this is the characteristic of gamma radiation. except ...

• reduce by lead

• not effected by magnetic field

• most dangerous inside the body

• the least penetrating power

choose the correct statement of alpha radiation

• actually a helium nuclei

• most shortest range of radiation

• affected by magnetic field

• Stopped by paper or a few cm of air