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8.3 Beyond Earth

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Question 19
F

Two stars, X and Y, are the same size. The surface of star X is hotter than the surface of star Y.

Which statement compares the radiation emitted by star X with the radiation emitted by star Y?

[1]
A

X emits radiation at a lower intensity, with its peak at a shorter wavelength

B

X emits radiation at a higher intensity, with its peak at a longer wavelength

C

X emits radiation at a higher intensity, with its peak at a shorter wavelength

D

X emits radiation at a lower intensity, with its peak at a longer wavelength

Markscheme

8.3 Beyond Earth Questions

  1. GCSE
  2. /Physics
  3. /8.3 Beyond Earth

50 exam-style questions on OCR GCSE Physics 8.3 Beyond Earth, covering 8.3.1 Red-shift and the expanding universe, 8.3.2 Evidence for the Big Bang model, 8.3.3 Formation of the Sun and stellar equilibrium, 8.3.4 Radiation emitted by hot bodies, 8.3.5 The solar system and satellites, 8.3.6 Gravity and circular orbits, 8.3.7 Orbital radius and orbital speed, 8.3.8 Radiation balance and the temperature of the Earth, and 8.3.9 Seismic waves and exploring hidden structures. Each one has a worked solution and a mark scheme showing where the marks go.

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