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IB Physics HL C 3 1 Wavefronts and Rays Questions

Practise IB Physics HL C.3.1 by analysing wavefront geometry, diffraction, lenses, telescopes and multi-ray image construction.

Syllabus
First assessment 2025
Course
Physics HL
Level
HL

Exam points

  • Use wavefront geometry to explain diffraction and locate focal or image positions.
  • Construct multi-ray lens and telescope diagrams, including virtual-image formation.
  • Apply focal-length relations and ray direction to solve compound optical systems.

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Study C.3.1—Wavefronts and rays conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Physics HL C 3 1 Wavefronts and Rays Questions question 1

[Maximum number: 2]

A converging lens is placed between an object and a screen. An image of the object is formed on the screen.

Figure for Question IB Physics HL C 3 1 Wavefronts and Rays Questions question 1 — IB Physics HL

Question (a)

(a)

Draw a ray to locate the focal point of the lens. Label this point with the letter F .

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Question (b)

(b)

The lens suffers from spherical aberration.

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Question (i)

(i)

Draw lines to complete the rays in the diagram.

Figure for Question (i) — IB Physics HL
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