Particle and Nuclear Physics

Who proposed that the atom is a hard solid sphere?

• Rutherford

• Democritus

• Thomson

• Dalton

What is the charge of an electron?

• -1.6 x 10^-19 C

• 0 C

• +1.6 x 10^-19 C

• +9.11 x 10^-31 kg

Which scientist proposed the Plum Pudding model of the atom?

• Rutherford

• Dalton

• Thomson

• Democritus

What is the charge of a proton?

• +1.6 x 10^-19 C

• +9.11 x 10^-31 kg

• 0 C

• -1.6 x 10^-19 C

Which experiment led to the discovery of the nucleus in an atom?

• Rutherford experiment

• Dalton experiment

• Thomson experiment

• Bohr experiment

What is the charge of a neutron?

• +9.11 x 10^-31 kg

• 0 C

• +1.6 x 10^-19 C

• -1.6 x 10^-19 C

Which particle is deviated due to the repulsive force between the alpha particle and the positive charge in the atom?

• Beta particle

• Gamma particle

• Alpha particle

• Neutron

What quarks are protons made of?

• U U D

• D D U

• U D C

• S S C

What is the weak nuclear force responsible for?

• Colour interaction

• Electron repulsion

• Mass attraction

• Nuclear decay

The name of a particle with no internal structure

• Atomic Particle

• Base Particle

• Elementary Particle

• Smallest Particle