A-Level
EDEXCEL
Physics
January 2023
16 Marks
QP-202301-Physics-U4 · Question 18
Question (excerpt):
*P71890RA02532* 25 Turn over 18 In 1977 a fifth quark, named the bottom quark, was discovered by particle physicists. The table shows the particles in the standard model known at that time. Qua…
*P71890RA02532* 25 Turn over 18 In 1977 a fifth quark, named the bottom quark, was discovered by particle physicists. The table shows the particles in the standard model known at that time. Qua…
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