3. A farsighted person with near point 1,7 m wants to clearly see an object 25cm away. (Assume the lens is held 2 cm away from the eye.) a) What power of spectacle lens is needed? b) What type of lens is this?
3. A farsighted person with near point 1,7 m wants to clearly see an object 25cm away. (Assume the lens is held 2 cm away from the eye.) a) What power of spectacle lens is needed? b) What type of lens is this?
Related questions
Question
Waves and Optics
Transcribed Image Text:3. A farsighted person with near point 1,7 m wants to clearly see an object 25cm away. (Assume the lens is
held 2 cm away from the eye.)
a) What power of spectacle lens is needed?
b) What type of lens is this?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps with 17 images
