Reflection, refraction and lenses

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Question 17
Easy

An optometrist is testing two different concave (diverging) lenses, P and Q, to determine their properties for correcting myopia.

Diverging Lenses P and Q

Complete the following sentences.

a.

The focal length (distance from the lens to its focal point) of lens P is .................... than the focal length of lens Q.

[1]
b.

The magnitude of the power of lens P is .................... than the magnitude of the power of lens Q.

[1]

Reflection, refraction and lenses Questions

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