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  • Light - Reflection and Refraction
  • How is the factor of power of a lens denoted?
Multiple choice

How is the factor of power of a lens denoted?

  1. P

  2. F

  3. D

  4. C

  5. O

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The SI unit of power of a lens is "dioptre", which is denoted by 'D'.

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