Question

Wha i ts L: A ndioacire subitance has a halr-lifl ef 0 days. The iaital aciv ty i 0240 activity after 48 hours? ◆ write down what is give n inthe problem (match values with appropriate variable symbol Write down the equation(o s) used to determine the ACTUAL activity after 48 hrs? (e.g. NOT want the estimated the activity). Calculate the actual activity of the radioactive substance after 48 hrs (Show your work) For the same substance, ESTIMATE the activity of the substance after 48 hrs (Show your work including equations used) COMPARE (ratio) the ACTUAL activity TO the ESTIMATED activity. relationship? What is the mathematical Problem 2: According to your company's radiation safety officer, you received 35 rem within a three month period. Your TLD badge indicated that you were exposed to beta particles Write down what is given in the problem (match values with appropriate variable symbols): Was the maximum permissible radiation dose exceeded? Expltin How many rad were you exposed to by the betas?

Answer 1

Grivente half life of tne Substance The ochal acvinaen heres decoy conHent ti 3da込 13 da So, Activity at t=ughn-adays -.23I doy (0-240 - o-462 선반, A(t)-o, 150cc.

the initial e o 120 C 0.2 个has o-120ci Hence CS made activit afterし A e i- o.16o ci % o.qy (Aw) ,