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8.3 Beyond Earth

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Question 31
H

Hydrogen in a laboratory emits light with a wavelength of 656 nm656\ \text{nm}656 nm.

The same light from hydrogen in a distant galaxy is measured on Earth. Its wavelength is 695 nm695\ \text{nm}695 nm.

Which statement is correct?

[1]
A

The frequency of the light is higher, and the galaxy is moving away from the Earth

B

The frequency of the light is lower, and the galaxy is moving towards the Earth

C

The frequency of the light is lower, and the galaxy is moving away from the Earth

D

The frequency of the light is higher, and the galaxy is moving towards the Earth

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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