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The reaction p+n→p+π0 is impossible. Which conservation law would be violated if the reaction occured?

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Important Questions on Atomic, Nuclear and Particle Physics

EASY
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 7 - Atomic, Nuclear and Particle Physics>Exam-style questions>Q 8
Which is the neutral exchange particle of the weak interaction?
HARD
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 7 - Atomic, Nuclear and Particle Physics>Exam-style questions>Q 9
What are the charge Q and strangeness S of the baryon Λ=uds?
MEDIUM
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 7 - Atomic, Nuclear and Particle Physics>Exam-style questions>Q 10

What process does this Feynman diagram represent?

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HARD
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 7 - Atomic, Nuclear and Particle Physics>Exam-style questions>Q 11
Explain how the emission lines in the spectrum of a gas are evidence for discrete energy levels within atoms.
EASY
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 7 - Atomic, Nuclear and Particle Physics>Exam-style questions>Q 12
Explain why in their experiment Geiger and Marsden used an evacuated enclosure.
EASY
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 7 - Atomic, Nuclear and Particle Physics>Exam-style questions>Q 12
Explain why in their experiment Geiger and Marsden used a gold foil that was very thin.
EASY
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 7 - Atomic, Nuclear and Particle Physics>Exam-style questions>Q 12
Explain why in their experiment Geiger and Marsden used a beam of alpha particle that was very narrow.
EASY
Diploma
IMPORTANT
Physics for the IB Diploma 6th Edition>Chapter 7 - Atomic, Nuclear and Particle Physics>Exam-style questions>Q 12
State the name of the force responsible for the defection of the alpha particles in Geiger and Marsden experiment: The electrostatic force, Magnetic force, Strong gravitational force.