Curriculum
Course: IB Physics HL
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Curriculum

IB Physics HL

Theme A — Space, Time and Motion

0/125 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/105 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/73 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/77 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/89 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/43 Dr Dabour Hub Science Diagram and Course Material
Quiz

E.5.2 Energy Released in Fusion Reactions – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
The energy released in the D–T reaction is about...
1.76 MeV
176 MeV
1.76 GeV
17.6 MeV
2.
Which fuel gives the highest energy per kilogram?
Coal
Hydrogen fusion
Uranium-235 fission
Petrol
3.
A reaction has mass defect 0.0100 u. The energy released is...
93 MeV
0.93 MeV
9.3 MeV
931 MeV
4.
In the D–T reaction, most of the energy is carried by the...
neutron
helium nucleus
gamma photon
positron
5.
The Sun's mass decreases because...
It emits matter only
Its radiated energy corresponds to a loss of mass
It absorbs radiation
Gravity increases
6.
Fusion cannot run away in a reactor because...
neutrons are absorbed
there are control rods
the fuel is not radioactive
if the conditions fail, the plasma cools and the reaction stops
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Part of Theme E — Nuclear and Quantum Physics — see every lesson and quiz in this unit.
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