Lesson 5 – Waves & radiation part 2 (all answers are given in the online video)

1. First Question – discussing some uses of nuclear radiation.

2. Aquicklessononthenatureandpropertiesofalpha,betaandgamma radiation.

Lesson 5 – Waves & radiation part 2 (all answers are given in the online video)

penetratingpower…

and,finally,ionisation…

Lesson 5 – Waves & radiation part 2 (all answers are given in the online video)

3. Thefirstoftwoquestionsonhalf-life.

4. Becarefulwiththisone–notethatthevaluesgivearetotalcountrate (notcorrectedforbackground).

Lesson 5 – Waves & radiation part 2 (all answers are given in the online video)

5. Ifyou’restrugglingwiththetermsintheseequationsandtheirunits,visit physics-podcast.co.ukforthePDFdocument‘Helpwiththerelationships sheet’.

6. Remembertospendsometimeworkingwithallfouroftheequations– thisisjustaquickexample.

7. Lastone!

Allquestionsandslideswerecoveredinthelesson.