# Half Life Measurement MCQs Quiz Worksheet PDF Download

Learn half life measurement MCQs, physics test for online learning courses and test prep to practice. Atomic and nuclear physics multiple choice questions (MCQ), half life measurement quiz questions and answers for online physics lab courses distance learning.

Physics practice test MCQ: if a c-14 has a half life of 5730 years, then how long will it take for quantity of c-14 in a sample to drop to 1/8 of initial quantity with options 2.58 × 10^{4} years, 1.44 × 10^{4} years, 1.72 × 10^{4} years and 2.58 × 10^{4} years for 10th grade school students for online learning 10th grade physics worksheets. Free physics revision notes to learn half life measurement quiz with MCQs to find questions answers based online learning tests.

## MCQs on Half Life Measurement Quiz PDF Download

MCQ: If a C-14 has a half life of 5730 years, then how long will it take for quantity of C-14 in a sample to drop to 1/8 of initial quantity?

- 2.58 × 10
^{4}years - 1.44 × 10
^{4}years - 1.72 × 10
^{4}years - 2.58 × 10
^{4}years

C

MCQ: If a radioactive element has a half-life of 40 minutes. initial count rate was 1000 per minute, then how long will it take for count rate to drop to 125 per minutes

- 120 minutes
- 90 minutes
- 30 minutes
- 60 minutes

A

MCQ: What fraction of original sample will be after 22 years, if Cobalt-50 is a radioactive element with half-life of 4.3 years?

- 1⁄32
- 1⁄16
- 1⁄8
- 1⁄4

B

MCQ: If activity of a sample of radioactive bismuth decreases to 1/8 of its original activity in 15 days, then sample's half life will be

- 3 days
- 10 days
- 5 days
- 7 days

C

MCQ: Radium-226 has a half-life of

- 1160 years
- 1340 years
- 1580 years
- 1620 years

D