What Is Meant by a Particle Being Elementary

Q70: A positron and an electron differ in<br>A)charge.<br>B)mass.<br>C)spin.<br>D)energy.

Q71: The K-ratio in a uranium fuel reactor

Q72: The quark structure of the neutron is

Q73: The constituent quarks of the proton are

Q74: Which of the following forces is the

Q76: The law of conservation of strangeness tells

Q77: The medical diagnostic technique PET stands for<br>A)proton

Q78: If a K⁰ meson at rest decays

Q79: A photon hits an electron,and an antiproton

Q80: If two quarks in an anti-proton have