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

C.5.2 The Doppler Effect of Light – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
A galaxy's light is redshifted. The galaxy is
Approaching
Receding
Stationary
Rotating only
2.
A line at 500.0 nm is observed at 500.5 nm. v/c is about
0.0010
0.010
0.00010
0.10
3.
Which velocity component does the Doppler shift measure?
Transverse
Total
Perpendicular to the line of sight
Radial
4.
A source moves toward us at 1.5 × 106 m s−1. For a 600 nm line, Δλ is
+3.0 nm
−0.3 nm
−3.0 nm
+0.30 nm
5.
The orbit of an exoplanet around a star is detected by
Gamma rays
Periodic Doppler shifts of the star's lines
Parallax only
A single steady redshift
6.
When light from a receding source is detected, the photon energy is
Less than emitted
Greater than emitted
Unchanged
Zero
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  • 6
Part of Theme C — Wave Behaviour — see every lesson and quiz in this unit.
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