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

E.5.7 Stellar Parallax – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
A star with a parallax of 0.25 arc-seconds is at a distance of...
0.25 pc
4.0 pc
2.5 pc
40 pc
2.
1 parsec is about...
9.46 light-years
1 light-year
0.31 light-years
3.26 light-years
3.
If a star's distance doubles, its parallax angle...
halves
doubles
is unchanged
quadruples
4.
Parallax measurements are taken six months apart because...
the star moves
the Sun is hotter
the Earth is at opposite sides of its orbit
the telescope warms
5.
Why are space telescopes better for parallax?
They avoid atmospheric blurring and measure tiny angles
They are closer to stars
They are larger
They use radio waves
6.
The parallax angle is...
the total shift over six months
twice the total shift
half the total shift over six months
the angular diameter of the star
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Part of Theme E — Nuclear and Quantum Physics — see every lesson and quiz in this unit.
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