Half life measurement MCQs, half life measurement quiz answers for online high school courses. Atomic and nuclear physics multiple choice questions (MCQs), half life measurement quiz questions and answers for online school degrees. Atom and atomic nucleus, nuclear transmutations, natural radioactivity, hazards of radiations, radioisotope and uses, half life measurement test prep for high school teacher certification.

Learn physics MCQs: 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 choices 2.58 × 104 years, 1.44 × 104 years, 1.72 × 104 years, and 2.58 × 104 years for online school degrees. Free physics student portal for online learning half life measurement quiz questions, MCQs to find questions answers based online learning tests.

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?

1. 2.58 × 104 years
2. 1.44 × 104 years
3. 1.72 × 104 years
4. 2.58 × 104 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

1. 120 minutes
2. 90 minutes
3. 30 minutes
4. 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. 1⁄32
2. 1⁄16
3. 1⁄8
4. 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

1. 3 days
2. 10 days
3. 5 days
4. 7 days

C

MCQ: Radium-226 has a half-life of

1. 1160 years
2. 1340 years
3. 1580 years
4. 1620 years

D