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A LevelPhysicsEdexcelExam Questions11. Nuclear RadiationNuclear Fusion & Fission

Nuclear Fusion & Fission (Edexcel A Level Physics): Exam Questions

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1
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The diagram shows binding energy per nucleon against nucleon number for atomic nuclei.

q2-1-nov-2020-9ph0-02-edexcel-as-a-level-phy

Which line of the table correctly identifies the process that would increase stability for nuclei in the positions indicated by X and Y?

 

X

Y

A

nuclear fission

nuclear fission

B

nuclear fission

nuclear fusion

C

nuclear fusion

nuclear fission

D

nuclear fusion

nuclear fusion

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    2
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    In both nuclear fission and nuclear fusion there are changes in the binding energy per nucleon. This releases energy.

    Which row of the table correctly shows the change in binding energy per nucleon for both processes? 

     

    Nuclear fission 

    Nuclear fusion 

    A

    decrease 

    decrease 

    B

    decrease 

    increase 

    C

    increase 

    decrease 

    D

    increase 

    increase 

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      1
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      A proton has a mass of 1.67 × 10−27 kg.

      Which of the following shows the conversion of this mass to GeV/c2?

      • fraction numerator 1.67 space cross times 10 to the power of negative 27 end exponent space cross times 1.60 space cross times 10 to the power of negative 10 end exponent over denominator open parentheses 3.00 space cross times 10 to the power of 8 close parentheses squared end fraction

      • begin mathsize 16px style fraction numerator 1.67 space cross times 10 to the power of negative 27 end exponent space cross times 1.60 space cross times 10 to the power of negative 19 end exponent over denominator open parentheses 3.00 space cross times 10 to the power of 8 close parentheses squared end fraction end style

      • fraction numerator 1.67 space cross times 10 to the power of negative 27 end exponent space cross times stretchy left parenthesis 3.00 space cross times 10 to the power of 8 stretchy right parenthesis squared over denominator space 1.60 space cross times 10 to the power of negative 10 end exponent end fraction

      • fraction numerator 1.67 space cross times 10 to the power of negative 27 end exponent space over denominator 1.60 space cross times 10 to the power of negative 10 end exponent space cross times space stretchy left parenthesis 3.00 space cross times 10 to the power of 8 stretchy right parenthesis squared end fraction

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