MDCAT Physics MCQ #2858

A ³²P sample decays with a half-life of 14.3 days. What fraction remains after 28.6 days?

MDCAT Physics MCQ #2858

  1. Question 1

    Q1. A ³²P sample decays with a half-life of 14.3 days. What fraction remains after 28.6 days?

    • A) 1/4
    • B) 1/2
    • C) 1/8
    • D) 1/16

    Answer: 1/4

    Explanation: Two half-lives = 28.6 days. Remaining fraction = (1/2)² = 1/4. Option C miscalculates half-life count.