logo

Exam-style practice

Light practice questions

Practise mixed syllabus-aligned questions for Light. Aligned to Cambridge IGCSE Combined Science.

Practice questions

Question 20 of 28

Choose an answer, get feedback, then move sideways through the set.

Showing nearby questions. Use Previous and Next to move through all 28 questions.

Paper 3 structured question: Light

Paper 3Theory (Core)2 marks

Description

Light Behavior in Lenses

When parallel rays of light pass through a converging lens, they focus at a point known as the principal focus. The distance from this point to the lens is the focal length.

  1. a

    Explain the significance of the principal focus and focal length in lens design.

    Aim for approximately 2 distinct marking points.

    [2]
Next →