Physics · Optics
An optician prescribes a corrective lens of power +2.5 D. What does this mean?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The lens is a single concave lens with power 2.5 D
- 2The lens is a combination of two convex lenses, with powers 2 D and 0.5 D✓
- 3The lens is a single convex lens with power 2 D
- 4The lens is a combination of two concave lenses, with powers 2 D and 0.5 D
Correct answer
The lens is a combination of two convex lenses, with powers 2 D and 0.5 D
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