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Physics · May / June 2024 · Paper 41 · Question 9

0625

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The question as text

The Sun is one of many billions of stars in the Milky Way. The Sun emits a very large quantity of energy as electromagnetic radiation.

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  • 9(a)[2]

    ultraviolet AND visible light AND infrared only

    any two from: ultraviolet; visible light; infrared and no more than one incorrect addition

  • 9(b)[2]

    1.5 × 1011 m

    v = s / t OR (s =) vt OR 3.0 × 108 × 500 OR 1.5 × 10N

  • 9(c)(i)[2]

    any two from:

    cloud / nebula / it collapses
    due to (internal) gravitational attraction
    (internal) temperature increases

  • 9(c)(ii)[3]

    any three from:

    (nuclear) fusion / nuclear reactions (in the star)
    forces are balanced
    gravitational force is inwards
    outwards force is due to high temperature
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