a. The graph below is the decay curve for a radioactive isotope that emits is only -particles.

Question:

a. The graph below is the decay curve for a radioactive isotope that emits is only β-particles.

Use the graph to find the value of the half-life of the isotope. Indicate, on the graph, how you arrived at your value.

b. A student determines the percentage of β-particles absorbed by a thick aluminium sheet. He uses a source that is emitting only β-particles and that has a long half-life.

i. Draw a labelled diagram of the apparatus required, set up to make the determination.

ii. List the readings that the student needs to take.

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Complete Physics For Cambridge IGCSE RG

ISBN: 9780198308713

3rd Edition

Authors: Stephen Pople

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Question Posted: Aug 30, 2021 12:52 AM

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a. The graph below is the decay curve for a radioactive isotope that emits is only -particles.

Question:

400 count rate 300 counts/min 200 100 10 20 30 time/min 40

Step by Step Answer:

a To find the halflife of the isotope we need to locate the point on the graph where the count rate ...View the full answer

Complete Physics For Cambridge IGCSE RG

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