When ²⁴¹Am Decays by Emitting an Alpha Particle of Kinetic

question 4

Multiple Choice

When ²⁴¹Am decays by emitting an alpha particle of kinetic energy 5.49 MeV,what is the recoil energy of the daughter nucleus?

• A) 5.49 MeV
• B) 1.27 MeV
• C) 0.880 MeV
• D) 0.0930 MeV
• E) 0.0910 MeV

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