Physics · Light - Reflection and Refraction
What does a lens with a optical power of 1 dioptre indicate?
- 1It has a focal length of 100 m.
- 2It has a focal length of 1 metre.✓
- 3It has a magnification of 1.
- 4It has a focal length of 1 cm.
Correct answer
It has a focal length of 1 metre.
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