Hideki Yukawa — Questions and answers

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What did Hideki Yukawa theorize about the strong nuclear force?

Choices

  1. That it was the weakest force in the universe.
  2. That it was mediated by a particle that hadn't been discovered yet. ✓
  3. That it only worked at long distances.
  4. That it was the same as electromagnetism.

Answer: That it was mediated by a particle that hadn't been discovered yet.

From page 3

Why was the muon, discovered by Carl Anderson and Seth Neddermeyer, thought NOT to be Yukawa's meson?

Choices

  1. It was too heavy.
  2. It didn't interact strongly with nuclei. ✓
  3. It was found in cosmic rays, not in a particle accelerator.
  4. It was called a 'muon' instead of a 'meson'.

Answer: It didn't interact strongly with nuclei.

From page 6

What was the name of the real messenger particle that Cecil Powell's experiments finally discovered?

Choices

  1. The muon.
  2. The electron.
  3. The pion. ✓
  4. The proton.

Answer: The pion.

From page 7

What prestigious award did Hideki Yukawa receive for his groundbreaking theory?

Choices

  1. An Oscar.
  2. The Nobel Prize in Physics. ✓
  3. A medal of honor.
  4. A science fair award.

Answer: The Nobel Prize in Physics.

From page 8