Curriculum
Course: IB Physics SL
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Curriculum

IB Physics SL

Theme A — Space, Time and Motion

0/80 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/87 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/60 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/41 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/59 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/54 Dr Dabour Hub Science Diagram and Course Material
Quiz

D.1.9 Kepler’s Laws of Planetary Motion – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Kepler's third law states that
T ∝ r2
T3 ∝ r2
T2 ∝ r3
T ∝ r
2.
A planet moves fastest in its orbit when it is
farthest from the Sun
at the end of the minor axis
never; speed is constant
nearest the Sun
3.
Planet X has an orbital radius 4 times that of planet Y around the same star. Its period is
2 times as long
8 times as long
4 times as long
16 times as long
4.
In T2 = 4π2r3/GM, M is the mass of
the orbiting body
both bodies
the central body
the smaller body
5.
A graph of T2 against r3 for several planets around one star is
a straight line through the origin
a parabola
a horizontal line
a hyperbola
6.
The Sun is located at
the centre of the ellipse
one focus of the ellipse
the end of the major axis
the end of the minor axis
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Part of Theme D — Fields — see every lesson and quiz in this unit.
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