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Edexcel IGCSE Physics 7.17 Nuclear Reactions As Energy Sources Questions

Practise recognising nuclear reactions as energy sources, including fusion in the Sun and estimates from energy released per reaction.

Syllabus
First assessment 2019
Course
Physics 4PH1

Exam points

  • identify the nuclear store as the energy store reduced during fusion in the Sun
  • estimate reaction numbers from energy per reaction and round to a stated significant figure

Edexcel IGCSE Physics 7.17 Nuclear Reactions As Energy Sources Questions question 1

[Maximum number: 1]

Energy is transferred from the Sun to the Earth.

Nuclear fusion happens in the Sun.

Which energy store of the Sun decreases during nuclear fusion?

A

chemical

B

kinetic

C

nuclear

D

thermal

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