Question 14 How did North Korea get enough fissile material to make a nuclear we

Q: Question 14 How did North Korea get enough fissile material to make a nuclear we

14). 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).

ID: 1710546 • Letter: Q

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Question 14

How did North Korea get enough fissile material to make a nuclear weapon, and what is the isotope? Consider the isotope ^214 _83 Bi. How many neutrons are in the nucleus? In the reaction ^238 _92 U rightarrow ^222 _?? ? + ^4 _2 He what is the element formed? What purpose do "control rods" serve in a nuclear reactor? After the fuel rods got too hot, there were explosions at Fukushima. Why? Why are spent fuel rods highly radioactive? Is there any relation here to what happens with a nuclear bomb?

Explanation / Answer

14). 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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Question 14 How did North Korea get enough fissile material to make a nuclear we

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