Suppose your 50 mm focal length camera lens is 51 mm away from the film in the camera. The height of the image is 2 cm. Things to think about: 1. What kind of lens is this? 2. What kind of image does it form on the film? 3. Is the image erect or inverted? (a) Set-up the table for some known quantities. i) Make sure to use the correct sign for the image distances, object distances, and the focal lengths. ii) Make sure to use the correct sign for the image and object heights. Inverted object and image heights are negative. iii) Do NOT do any calculations for this section. d₁ = f= h; = cm cm cm (Include the sign for an erect or inverted image) (b) How far away is an object that is in focus? Distance: (c) What is the height of the object? m Height: m
Suppose your 50 mm focal length camera lens is 51 mm away from the film in the camera. The height of the image is 2 cm. Things to think about: 1. What kind of lens is this? 2. What kind of image does it form on the film? 3. Is the image erect or inverted? (a) Set-up the table for some known quantities. i) Make sure to use the correct sign for the image distances, object distances, and the focal lengths. ii) Make sure to use the correct sign for the image and object heights. Inverted object and image heights are negative. iii) Do NOT do any calculations for this section. d₁ = f= h; = cm cm cm (Include the sign for an erect or inverted image) (b) How far away is an object that is in focus? Distance: (c) What is the height of the object? m Height: m
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter25: Optical Instruments
Section: Chapter Questions
Problem 10P: A patient cant see objects closer than 40.0 cm and wishes to clearly see objects that are 20.0 cm...
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