Ophthalmic OpticsCâu 8 / 100
Vergence describes what property of light?
a.Its color wavelength
b.Its polarization angle
c.Its intensity
d.The spreading or converging of light rays
Giải thích
Vergence is the degree to which light rays diverge or converge, measured in diopters. Plus lenses add convergence (plus vergence); minus lenses add divergence (minus vergence).
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A minus (concave) lens forms what type of image and has what type of focal point?
- The power of a lens surface increases as its radius of curvature does what?
- 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)?
- The base curve of a lens refers to which surface?
- Add power on a multifocal lens represents what?
- If the distance Rx is -3.00 D and the add is +2.00 D, what is the total power in the reading portion?
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