5.20 What must the focal length of a thin negative lens be for it to form a virtual image 50 cm away (measured from the lens) of an ant located 100 cm away (measured from the lens)? Given (just as a change of pace) that the ant is to the right of the lens, locate and describe its image.
5.20 What must the focal length of a thin negative lens be for it to form a virtual image 50 cm away (measured from the lens) of an ant located 100 cm away (measured from the lens)? Given (just as a change of pace) that the ant is to the right of the lens, locate and describe its image.
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Transcribed Image Text:5.20 What must the focal length of a thin negative lens be for it to form
a virtual image 50 cm away (measured from the lens) of an ant located
100 cm away (measured from the lens)? Given (just as a change of
pace) that the ant is to the right of the lens, locate and describe its image.
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