AP Physics 2easymcq1 pt
Half-life is the time for
A.half a sample's nuclei to decay
B.all nuclei to decay
C.a nucleus to double
D.the sample to cool
Explanation
Core Concept
After one half-life, half the radioactive atoms remain.
Correct Answer
Ahalf a sample's nuclei to decay
More Unit 7: Quantum, Atomic, and Nuclear Physics practice questions
- hardThe Bohr model explains hydrogen's spectrum but not
- hardX-rays are produced when
- hardWhich statement about radioactivity is correct?
- easyA photon's momentum is
- easyThe energy released in a nuclear reaction appears as
Practice more AP Physics 2 questions with full explanations
Practice Unit 7: Quantum, Atomic, and Nuclear Physics Questions →