Nuclear

The total number of a and b particles emitted in the nuclear reaction 238U92 ---> 214Pb82

The total number of a and b particles emitted in the nuclear reaction  

      238U92 --->  214Pb82


Solution:

 8

         Below is the chain of reaction

                         -2α                        -2β

        92U238  ---------->  80X214  ---------->  82Pb214   (6a, 2b), total 8 particles




25th February 2019

jee preparation

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Why is a hydrogenous material used in a nuclear reactor to slow down fast neutrons?

2. Why is a hydrogenous material used in a nuclear reactor to slow down fast neutrons?

Ans- We know that I an elastic head on collision, the energy transfer is maximum when the two colliding particles have the almost equal mass. Hydrogen nucleus and neutron have nearly equal mass. Thus neutrons are easily slowed down.

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26th February 2019

Aakashshaw

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