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.3.8 Single-Slit Diffraction – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Narrowing the slit makes the central maximum
Narrower
Unchanged
Dimmer only
Wider
2.
λ = 500 nm, b = 0.10 mm. The angle to the first minimum is
5.0 × 10−4 rad
0.20 rad
5.0 × 10−3 rad
2.0 × 10−2 rad
3.
The central maximum is __ the width of the secondary maxima
Half
Twice
The same as
Four times
4.
Replacing red light with blue light causes the pattern to
Narrow
Widen
Disappear
Be unchanged
5.
The first minimum is at 90° when
b = 2λ
b = λ/2
b = 10λ
b = λ
6.
In a double-slit experiment a bright fringe is missing where
Slits are narrow
The screen is far
The interference maximum coincides with a single-slit minimum
The light is white
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Part of Theme C — Wave Behaviour — see every lesson and quiz in this unit.
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