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O-LevelPhysicsLight5054/11 · May/June 2025 · Q201 Mark

A shoe shop puts a mirror on the wall so that customers can look at their shoes. The length of the mirror is 50 cm. A customer has eyes 150 cm above ground level. [Person and mirror diagram] The bottom of the mirror is at height h above the ground. What is the smallest value of h that allows the customer to see an image of his shoes in the mirror?

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A0
B25 cm
C50 cm
D75 cm

✓ Correct answer

B: 25 cm

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About this question

Topic
Light, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, May/June 2025 Paper 1 Variant 1, question 20.

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