You're viewing 3 free preview questions for Physics SL — subscribe to unlock 86 more, plus the Full Question Bank, Mock Papers & Worksheets.Upgrade

Radioactive Decay · Paper 1 — Free Physics SL Practice Questions

1FoundationMCQHalf-life and decay constant1 markPaper 1~2 min
The activity of a radioactive sample decreases from 640 Bq to 40 Bq in 20 days. What is the decay constant of this sample?
diagram

Solutions

2FoundationMCQRadioactive decay and applications1 markPaper 1~2 min
A radioactive source emits alpha particles, beta particles, and gamma rays, all travelling in the same direction toward the top of the page. A uniform magnetic field is directed into the page. Which type of radiation is deflected toward the left of the page?
diagram

Solutions

3FoundationMCQRadioactive decay and applications1 markPaper 1~2 min
A student measures the count rate from a radioactive source at 10-minute intervals. The background count rate is 20 counts per minute. The measured count rates are shown below. tt / min — Count rate / counts min−1^{-1} 0 — 220 10 — 120 20 — 70 30 — 45 What is the half-life of the source?
diagram

Solutions

Questions 4-89

Unlock these questions with Premium

Sign Up →

That's every free question here — 3 of 89.

+86 more questions, plus Mock Papers & Worksheets, are waiting in Premium.

Upgrade