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8.3 Beyond Earth

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Question 23
H

The Earth and the Sun both emit electromagnetic radiation. The surface of the Sun is much hotter than the surface of the Earth.

Which statement is correct?

[1]
A

Both emit a continuous range of wavelengths, but the Earth's peak is at a longer wavelength

B

Only the Sun emits a continuous range, and the Earth emits one single wavelength of infrared

C

Both emit a continuous range of wavelengths, but the Earth's peak is at a shorter wavelength

D

Only the Sun emits radiation, because the Earth is far too cold to emit any radiation

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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