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To completely fill a frame of “35-mm” film, the image
Chapter 27, Problem 10P(choose chapter or problem)
Problem 10P
To completely fill a frame of “35-mm” film, the image produced by a camera must be 36 mm high. If a camera has a focal length of 150 mm, how far away must a 2.0-m-tall person stand to produce an image that fills the frame?
Questions & Answers
QUESTION:
Problem 10P
To completely fill a frame of “35-mm” film, the image produced by a camera must be 36 mm high. If a camera has a focal length of 150 mm, how far away must a 2.0-m-tall person stand to produce an image that fills the frame?
ANSWER:
Step 1 of 3
Here we need to find the object distance or the distance at which the person has to stand in order to produce a tall image on the film. The height of the person is given to be and the camera focal length is .
First we need to derive the equation for object distance in terms of given parameters.