A LevelPhysicsOCRExam Questions6. Particles & Medical PhysicsNuclear Fission & Fusion

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

Exam code: H556

57 mins9 questions

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Nuclear Fission & Fusion

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1
1 mark

The graph shows how the binding energy per nucleon E varies with nucleon number N.

Graph with binding energy per nucleon E on the vertical axis against nucleon number N on the horizontal axis, showing a curve from point A near the origin, rising to B, peaking at C, then descending to D.

Which region, A, B, C, or D, of the graph represents the most stable nuclei?

    Choose your answer

    1
    1 mark

    The total energy released in a single fusion reaction is 4.0 MeV.

    What is the change in mass in this fusion reaction?

    • 7.1 × 10−36 kg

    • 7.1 × 10−30 kg

    • 2.1 × 10−21 kg

    • 4.4 × 10−17 kg

    Choose your answer

    2
    1 mark

    A proton collides with a stationary oxygen-18 nucleus. The collision produces a fluorine-18 nucleus and particle X.

    p11  +  O818  →  F918  +  X

    What is particle X?

    • neutron

    • proton

    • electron

    • positron

    Choose your answer