When U23592 undergoes fission, 0.1% of its original mass is changed into energy. How much energy is released if 1kg of U23592 undergoes fission

(1) 9×1010 J           

(2)  9×1011 J

(3) 9×1012 J           

(4) 9×1013 J

Subtopic:  Mass-Energy Equivalent |
 65%
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γ-rays radiation can be used to create electron-positron pair. In this process of pair production, γ-rays energy cannot be less than 

(1) 5.0 MeV               

(2) 4.02 MeV

(3) 15.0 MeV               

(4) 1.02 MeV

Subtopic:  Mass-Energy Equivalent |
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A reaction between a proton and O188 that produces F189 must also liberate 

(1) n10         

(2) e01

(3) n01         

(4) e10

Subtopic:  Mass-Energy Equivalent |
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In the nuclear reaction U23892ThAz+He42 , the values of A and Z are

(1) A = 234, Z = 94             

(2) A = 234, Z = 90

(3) A = 238, Z = 94             

(4) A = 238, Z = 90

Subtopic:  Mass-Energy Equivalent |
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If 200 MeV energy is released in the fission of a single U235 nucleus, the number of fissions required per second to produce 1 kilowatt power shall be (Given

1 eV=1.6×10-19 J

(1) 3.125×1013         

(2) 3.125×1014

(3) 3.125×1015           

(4) 3.125×1016

Subtopic:  Mass-Energy Equivalent |
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In nuclear fission, the fission reactions proceeds with a projectile. Which of the following suits the best

(1) Slow proton             

(2) Fast neutron

(3) Slow neutron         

(4) None of these

Subtopic:  Mass-Energy Equivalent |
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In the nuclear reaction  X85297Y+4α, Y is 

1. Y28776            

2. Y28577

3. Y28177             

4. Y28977

Subtopic:  Types of Decay |
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Thermal neutrons can cause fission in 

(1) U235          

(2) U238

(3) Pu238        

(4) Th232

Subtopic:  Mass-Energy Equivalent |
 70%
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When neutrons are bombarded on nucleus of U23592, the number of emitted neutrons will be 

(1) 1         

(2) 2

(3) 3         

(4) 4

Subtopic:  Mass-Energy Equivalent |
 62%
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The energy released in a typical nuclear fusion reaction is approximately 

(1) 25 MeV           

(2) 200 MeV

(3) 800 MeV         

(4) 1050 MeV

Subtopic:  Mass-Energy Equivalent |
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