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.3.6 Interference of Waves – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
For two in-phase sources, a point with path difference 2.5λ shows
Constructive interference
Destructive interference
No interference
Partial constructive only
2.
Waves of λ = 0.40 m reach P with path difference 1.2 m. The interference is
Constructive
Destructive
Zero amplitude only if unequal
Cannot tell
3.
A phase difference of 3π radians corresponds to a path difference of
λ
3λ
0.5λ
1.5λ
4.
At a maximum, two equal coherent waves give an intensity that is __ times a single wave's
2
1
4
8
5.
Noise-cancelling headphones rely on
Diffraction
Destructive interference
Refraction
Polarization
6.
At the central point equidistant from two in-phase sources there is a
Maximum
Minimum
Node of zero amplitude
Point of undefined intensity
  • 1
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  • 3
  • 4
  • 5
  • 6
Part of Theme C — Wave Behaviour — see every lesson and quiz in this unit.
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