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.5.1 The Doppler Effect – Check yourself

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  • Questions count: 7
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
A siren moves toward you. You hear
A higher frequency
A lower frequency
The same frequency
A louder, lower note
2.
For a moving sound source in still air, which stays constant?
Observed wavelength
Observed frequency
Wavelength behind source
Wave speed in the air
3.
Doppler ultrasound can measure
Bone density
Muscle mass
Speed of blood flow
Tumour hardness only
4.
Behind a moving source the wavefronts are
Closer together
Further apart
The same spacing
Reflected
5.
An observer moves at right angles to the line joining them to a source. The frequency shift is
Approximately zero
Large and positive
Large and negative
Infinite
6.
A jet flies faster than the speed of sound. The wavefronts form
Concentric circles
A plane wave
A standing wave
A Mach cone
7.

22M.1A.SL.TZ2.31

22M.1A.SL.TZ2.31

A
B
C
D
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Part of Theme C — Wave Behaviour — see every lesson and quiz in this unit.
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