Idealized data taken from an \"experiment\" performed using the procedure outlin

Question

Idealized data taken from an "experiment" performed using the procedure outlined in the Experiment 12-E section of your lab manual. Problems 9 and 10 refer to Figure 1 which shows idealized data taken on an "experiment" involving_27^60Co which undergoes gamma decay to_28^60NI through the reaction_27^60Co rightarrow_28^60Ni +_-1^0beta + gamma. What is the percentage of radiation transmitted using the wooden block as a shield? 25% 75% 60% 40% What percentage of radiation emitted by_27^60Co appears to be gamma particles? 25% 75% 60% 40%

Explanation / Answer

Question 9:

As the gamma ray radiation has the most penetration ability so, we can assume that by the wooden block all beta rays are stopped So, radiation transmitted is 75%.

Question 10:

Assuming that all beta rays are stopped by wooden shield and no gamma rays are stopped, it is clear t say that 75% appears to be gamma ray radiation.

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