Ophthalmic OpticsCâu 3 / 100
Light traveling from a less dense medium into a more dense medium will do what?
a.Slow down and bend toward the normal
b.Speed up and bend away from the normal
c.Continue at the same speed
d.Stop completely
Giải thích
When light enters a denser medium (higher index of refraction) it slows down and refracts toward the normal. This bending of light is the basis of how lenses focus rays.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- What is the focal length of a +2.00 D lens?
- A lens has a focal length of 25 cm. What is its dioptric power?
- 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?
- 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)?
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Đội Ngũ Biên Tập PrepPass · Đối chiếu với ABO (American Board of Opticianry) Certified Optician Exam · Quy trình kiểm tra