Question 6 Describe the nature of the following types of radiative emission from

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Question 6

Describe the nature of the following types of radiative emission from radioactive decay. alpha beta (-) gamma Rank the three forms from most to least dangerous if the radiation comes at you from outside your body. Why could there not be much difference if you had eaten the radioactive material? Carbon 14, written as ^14 _6 C, is the basis of radioactive dating of carbon materials up to about 60,000 years old. ^14 _6 C decays by beta emission ^0 _-1 e. What isotope is formed? At the atomic level, is there any chemical difference in how fission proceeds in a nuclear bomb vs. how it proceeds in a fission reactor? What does "fissile" mean? Give the two examples. What do control rods do in nuclear reactor?

Explanation / Answer

6). Control rod:- a)  to control the fission rate of uranium and plutonium.

b) control rods are composed of chemical elements such as silver, boron, indium and cadmium that are most capable of absorbing many neutrons without themselves fissioning.

c) A control rod is removed from or inserted into the reactor core in order to increase or decrease the reactivity of the reactor (increase or decrease the neutron flux).

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