D: quarks
Oracle Prep sorts past-paper questions by topic, so you can drill Particle physics and see which topics are most likely to come up next.
Sign up free →Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content
The following particles are used to describe the structure of an atom. electron neutron proton quark The following eq…
A neutron is composed of one up (u) quark and two down (d) quarks. When the neutron decays to a proton, there is β-em…
Which equation describes the changes to the quark composition of a nucleus and the lepton emission during the process…
What is the relationship between the amplitude of a wave and its intensity?
Which statement about light waves and sound waves is correct?
M and N are two electromagnetic waves. The ratio wavelength of M wavelength of N = 10⁵. What could M and N be?