A 500 MeV Alpha Particle Is Incident on a Lead Nucleus

question 11

Multiple Choice

A 5.00 MeV alpha particle is incident on a lead nucleus.Because of the Coulomb force between them,the alpha particle will only approach the nucleus to a minimum distance, .If the kinetic energy of the alpha particle is decreased,will the particle's distance of approach increase,or remain the same?

• A)increase
• B)decrease
• C)remain the same

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