COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 24, Problem 15QAP
To determine
To Explain:
why the lens in a digital camera must move away from the light sensor in order to focus on a nearby object.
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Where must the film be placed if a camera lens is to make asharp image of an object far away? Explain.
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Example 23-9 : Image formed by a converging lens. What are (a) the position, and (b) the size, of the image of a 7.6-cm-high leaf placed 1.00 m from a +50.0-mm-focal-length camera lens?
Chapter 24 Solutions
COLLEGE PHYSICS
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- Photographers who are attempting to capture a large gathering of people will step away from the group and then refocus their lenses. Is the camera lens moved closer or further away from the sensor when the camera moves? Explain.arrow_forwardExplain why an object in water always appears to be at a depth shallower than it actually is?arrow_forwardA clerk at the local grocery store wears glasses that make her eyes look smaller than they actually are. Is the clerk nearsighted or farsighted? Explain.arrow_forward
- A friend lends you the eyepiece of his microscope to use on your own microscope. He claims that since his eyepiece has the same diameter as yours but twice the focal length, the resolving power of your microscope will be doubled. Is his claim valid? Explain.arrow_forwardA student makes a microscope using an objective lens and an eyepiece. If she moves the lenses closer together, does the microscope’s magnification increase or decrease? Explain.arrow_forwardA virtual image, we always say, cannot be caught on a screen. Yet when we ‘see’ a virtual image, we are obviously bringing it on to the ‘screen’ (i.e., the retina) of our eye. Is there a contradiction?arrow_forward
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