Quiz  /  MCQ On Keplers Law

  • 1. 
    When a planet orbits the Sun, one of the foci of the elliptical orbit is

  • The axis
  • The perihelion
  • The centre
  • The Sun

  • 2. 
    What has an eccentricity of zero?

  • A straight line
  • A large ellipse
  • A circle
  • A small ellipse

  • 3. 
    An Astronomical Unit, or AU, is the average distance between

  • The Sun and Neptune
  • The Sun and Earth
  • The Earth and the Moon
  • The Sun and Mercury

  • 4. 
    Kepler’s second law is known as

  • The Law of Orbits
  • The Law of Areas
  • The Law of Periods
  • The Law of Gravity

  • 5. 
    Kepler’s 2nd law deals with

  • The shape of the planet’s orbits
  • The speed/area the planet travels
  • The length of time it takes the planet to orbit the sun
  • Time travel

  • 6. 
    Kepler’s third law is known as

  • The Law of orbits
  • The Law of Areas
  • The Law of periods
  • The Law of gravity

  • 7. 
    The formula for Kepler’s third law is

  • P
  •  ∝ a
  • P
  •  ∝ a
  • P
  •  ∝ a
  • P
  •  ∝ a

  • 8. 
    Kepler’s first law states that the orbits of the planets are oval in shape or

  • Ellipses
  • Perfect circles
  • Squares
  • triangles

  • 9. 
    The Kepler’s first law is known as

  • The law of orbits
  • The law of areas
  • The law of periods
  • The law of gravity

  • 10. 
    The farther away a planet is from the sun, the …………. it takes it to orbit the sun once

  • Longer
  • Shorter
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