Topic 11 - Nuclear (Edexcel A Level Physics)

Which of these is true?

• The number of protons is directly proportional to the number of neutrons

• As the mass of the substance increases, the number of neutrons to protons increases

• The weak force holds protons and neutrons together

• The number of electrons increases as the number of neutrons increases

What does this graph show?

• The number of protons (y-axis) vs number of neutrons (x-axis)

• The number of nuetrons (y-axis) vs number of protons (x-axis)

• The stability line for atoms

• The binding energy of atoms

Which is true about Beta Minus radiation?

• It emits a Positron

• It emits and Electron

• It turns a proton into a neutron

• It turns a neutron into a proton

Which is true about Beta Plus radiation?

• It emits a Positron

• It emits and Electron

• It turns a proton into a neutron

• It turns a neutron into a proton

What is true about an alpha particle?

• It's positive

• It's negative

• It's got 4 protons and 2 nuetrons

• It's a helium nucleus

What is gamma radiation?

What is the range of alpha radiation?

What is the range of beta minus radiation?

What is the range of beta plus radiation?

Why is the range for beta plus radiation so short?