Q9 · 2025 · Paper 1Simple familiar1 mark
QUESTION 9
The W boson mediates
(A)
the gravitational force between masses.
(B)
interactions of the strong force in the nucleus.
(C)
repulsive forces in electromagnetic exchanges.
(D)
the weak force responsible for the decay of particles.
WORKED SOLUTION
1 markAnswer D
ANSWER
D
Worked solution
The bosons mediate the weak interaction responsible for processes such as beta decay. Option D.
Selects option D.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.