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.4.4 Harmonics in Strings and Pipes – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
A string of length 0.50 m and wave speed 200 m s−1 has a fundamental of
100 Hz
400 Hz
50 Hz
200 Hz
2.
Which harmonics exist in a pipe closed at one end?
All
Even only
Odd only
None above the first
3.
An open pipe has fundamental 400 Hz. The second harmonic is
200 Hz
800 Hz
1200 Hz
600 Hz
4.
A closed pipe with a fundamental of 150 Hz also produces
450 Hz
300 Hz
225 Hz
600 Hz
5.
The length of an open pipe is doubled. The fundamental frequency
Doubles
Is unchanged
Quadruples
Halves
6.
A string of the same length is played at the third harmonic. The number of antinodes is
1
2
3
4
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
Part of Theme C — Wave Behaviour — see every lesson and quiz in this unit.
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