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Old Feb 21st 2010, 01:21 PM   #1
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A diverging lens has a focal length of...

a) A diverging lens has a focal length of 19.3cm. An object 1.14 cm in height is placed 324cm in front of the lens. Locate the position of the image. Answer in units of cm.
b) What is the magnification?
c) Find the height of the image. Answer in units of cm.
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Old Feb 22nd 2010, 12:53 AM   #2
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Hi Jenshu

1. Do you know the formula relating the position of image, position of object, and focal length?
2. Do you know the formula relating the magnification, position of image, and position of object and another formula relating the magnification, height of object, and height of image?

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