Reflection, refraction and lenses

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Question 67
Easy

A macro lens attachment for a smartphone camera has a focal length of 2.5 cm.

Calculate the power of this lens.

Use the equation:

power=1focal length in m \text{power} = \frac{1}{\text{focal length in m}} power=focal length in m1​
[2]

Reflection, refraction and lenses Questions

  1. GCSE
  2. /Physics
  3. /Reflection, refraction and lenses