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.3.2 Reflection, Refraction and Transmission – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Light passes from air into glass. Which of these decreases?
Frequency
Wavelength
Period
Photon energy
2.
The refractive index of a liquid is 1.25. The speed of light in it is
2.40 × 108 m s−1
3.75 × 108 m s−1
1.25 × 108 m s−1
2.00 × 108 m s−1
3.
A ray in glass (n = 1.50) hits an air boundary at 50° to the normal. The ray
Refracts to about 35°
Refracts away at 90°
Partly refracts at 60°
Is totally internally reflected
4.
A graph of sin θ1 (y) against sin θ2 (x) for air to a transparent block gives a gradient of 1.6. The refractive index of the block is
0.63
2.6
1.6
1.0
5.
A ray strikes a plane mirror with an angle of 30° between the ray and the mirror surface. The angle of reflection is
30°
60°
120°
90°
6.
The critical angle for a material in air is 30°. Its refractive index is
2.0
0.50
1.5
1.15
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Part of Theme C — Wave Behaviour — see every lesson and quiz in this unit.
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