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6.1 The Earth and the Solar System

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Question 79

Which statement about the orbit and speed of a comet is correct?

A

The comet's orbit is circular and its speed is constant throughout its orbit.

B

The comet's orbit is elliptical and its speed is greatest when it is closest to the Sun.

C

The comet's orbit is elliptical and its speed is constant throughout its orbit.

D

The comet's orbit is circular and its speed is greatest when it is closest to the Sun.

Markscheme

6.1 The Earth and the Solar System Questions

  1. IGCSE
  2. /Physics
  3. /6.1 The Earth and the Solar System

100 exam-style questions on CIE IGCSE Physics 6.1 The Earth and the Solar System, covering 6.1.1a Rotation of the Earth, the seasons and the Moon, 6.1.1b Average orbital speed, 6.1.2a Contents of the Solar System, 6.1.2b Formation of the Solar System, 6.1.2c Gravitational field strength of a planet, and 6.1.2d Orbits and gravitational attraction. Each one has a worked solution and a mark scheme showing where the marks go.

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