(a) The diagram shows the decay curve for a radioactive isotope that emits only B-particles.400count ratecounts/min3002001000+10203040time/ minUse the graph to find the half-life of the isotope. Show how you have used the graph(b) A student determines the percentage of B-particles absorbed by a thickaluminium sheet, using a source which has a long half-life, and emits only B-particles.6) Draw a diagram of the apparatus required, set up to perform the experiment.(ii) List the readings the student needs to take.1.2.3.(iii) List some safety precautions the student should take.

Hello. Since your question has multiple parts, we will solve the first part for you. If you want any…

Answered: (a) The diagram shows the decay curve…

Similar questions

An unstable isotope of cobalt, 60Co, has one more neutron in its nucleus than the stable 59Co and is a beta emitter with a half-life of 5.30 years. This isotope is widely used in medicine. A certain radiation source in a hospital contains 4.20×10−2g of 60Co A) What is the decay constant for that isotope? Express your answer with the appropriate units. B) How many atoms are in the source? C) How many decays occur per second? Express your answer as a number of decays per second. D) What is the activity of the source, in curies? Express your answer in curies.
A 162.0-mCi sample of a radioactive isotope is purchased by a medical supply house. If the sample has a half-life of 14.0 days, how long will it keep before its activity is reduced to 24.0 mCi? Answer:_______ days
A sample of radioactive material has a half-life of 12 hours. If the initial sample contained 6.2x10¹3 radioactive nuclides estimate the number of radioactive nuclides present in the sample after 5 hours.
Does the number of radioactive nuclei in a sample decrease to exactly half its original value in one half-life? Explain in terms of the statistical nature of radioactive decay.
If 88 (atomic number) 228 (atomic mass) ?? is produced, determine the parent isotope for each of the following types of decay and justify your answer. a) alpha decay b) beta negative decay c) beta positive decay
The amount of radioactive 40K in a 70kg person is approximately 5000Bq. A) what is the number (N) of radioactive 40K nuclei in the body? The half life of 40K is 1.25x109 years. B)What is the amount of natural potassium (in grams) in the body? The abundance of 40K is 0.012% of the natural potassium 39K

(a) The diagram shows the decay curve for a radioactive isotope that emits only B-particles. 400 count rate 300 counts/min 200 100 0f 20 30 time/min 10 40 Use the graph to find the half-life of the isotope. Show how you have used the graph