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8.3 Beyond Earth

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Question 1
F

The Figure shows two satellites orbiting the Earth. One satellite is in a geostationary orbit. The other satellite is in a polar orbit.

Figure

image

a.

Which orbit, X or Y, is the polar orbit?

[1]
b.

State the time that a geostationary satellite takes to orbit the Earth once.

[1]
c.

A geostationary satellite is used to send television signals to houses.

Explain why the satellite dish on a house can point in one fixed direction.

[2]
d.

State one other difference between a geostationary orbit and a polar orbit.

[1]
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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