APP2 Ex Set 3: Lenses
1. A converging lens for a 35-mm camera has a focal length given by
f=45 mm
a. How close to the film should the lens be placed to form a sharp
image of an object that is 5.0 m away?
b. What is the magnification of the image on the film?
c. Draw a ray diagram.
2. A small insect viewed through a convex lens is 1.2 cm from the lens
and appears twice its actual size
a. Draw a ray diagram
b. What is the focal length of the lens?
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https://www.coursehero.com/file/194146414/12-P2-Ex-Set-3-Lensespdf/
1. A converging lens for a 35-mm camera has a focal length given by
f=45 mm
a. How close to the film should the lens be placed to form a sharp
image of an object that is 5.0 m away?
b. What is the magnification of the image on the film?
c. Draw a ray diagram.
2. A small insect viewed through a convex lens is 1.2 cm from the lens
and appears twice its actual size
a. Draw a ray diagram
b. What is the focal length of the lens?
This study source was downloaded by 100000899606070 from CourseHero.com on 06-19-2025 10:17:27 GMT -05:00
https://www.coursehero.com/file/194146414/12-P2-Ex-Set-3-Lensespdf/
