Ophthalmic OpticsCâu 6 / 100
The power of a lens surface increases as its radius of curvature does what?
a.Increases (flatter surface)
b.Stays the same
c.Decreases (steeper surface)
d.Doubles the index
Giải thích
Surface power is inversely related to radius of curvature. A shorter radius means a steeper, more curved surface and greater power; a longer radius means a flatter surface and less power.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Light traveling from a less dense medium into a more dense medium will do what?
- Which lens material has the highest Abbe value, meaning the least chromatic aberration?
- A minus (concave) lens forms what type of image and has what type of focal point?
- What is the total power of a lens with a front surface of +6.00 D and a back surface of -2.00 D (thin lens approximation)?
- Vergence describes what property of light?
- The base curve of a lens refers to which surface?
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