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MDCAT Practice Test - Practice Test - Physics - Nuclear Physics - 2026 Quiz

Attempt 10 MCQs on MDCAT Practice Test - Practice Test - Physics - Nuclear Physics (Year 2026) | Quiz 5

41. Initial activity 1600 Bq, half-life 8 days. Activity after 24 days?



42. N=10²⁰, T₁/₂=10 s. Find activity.



43. Half-life 10 days. How long for sample to reduce to 1/16 of initial?



44. Half-life 500 years. How long to reduce to 10%?



45. Uranium-238 undergoes alpha decay. What is the daughter nucleus?



46. A sample has 25% of original C-14 activity. How old?



47. Absorbed dose 0.05 Gy from alpha radiation (w_R=20). What is equivalent dose?



48. Sample activity 1000 Bq, half-life 30 years. Number of atoms?



49. Which imaging technique uses positron annihilation?



50. What describes the rate of radioactive decay?



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