Answer the following questions:
Q: 11.37 (a) Quarks inside protons and neutrons are thought to carry fractional charges . Why do they not show up in Millikan’s oil-drop experiment?
Quarks are thought to be tight within a proton or neutron by forces which grow tough if one tries to pull them apart. That is event though fractional charges may exist in nature, the observable charges are still integral multiples of the charge of the electron (e)