Curriculum
Course: IB Physics HL
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Curriculum

IB Physics HL

Theme A — Space, Time and Motion

0/125 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/105 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/73 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/77 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/89 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/43 Dr Dabour Hub Science Diagram and Course Material
Quiz

C.2.3 Sound Waves – Check yourself

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1.
Sound waves in air are
Transverse and need no medium
Transverse and need a medium
Longitudinal and need no medium
Longitudinal and need a medium
2.
A note has frequency 680 Hz in air (v = 340 m s−1). The wavelength is
0.25 m
0.50 m
2.0 m
231 m
3.
A student hears the echo of a clap 0.50 s later, from a wall. With v = 340 m s−1, the distance to the wall is
170 m
340 m
85 m
42.5 m
4.
Two notes of the same pitch sound different from two instruments. This is because they differ in
Quality, from different harmonics
Frequency of the fundamental
Speed
Wavelength in air
5.
Sound passes from air into water. Which quantity stays the same?
Speed
Wavelength
Frequency
Intensity
6.
The amplitude of a sound is halved at a fixed frequency. Its intensity becomes
Half
One quarter
Double
One eighth
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