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45. Short focal-length lenses have

Two lenses are in contact. One of the lenses has a focal length of +10.0cm when used alone. When the two are in combination, an
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2. asked by Jul
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Two plus lenses have focal lengths in the ratio 3:1. When placed together in close contact the focal length of the combination
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2. asked by Nikki
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Two plus lenses have focal lengths in the ratio 7:1. When placed together in close contact the focal length of the combination
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2. asked by shaky
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Two converging lenses are placed 31.0 cm apart. The focal length of the lens on the right is 22.0 cm, and the focal length of
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2. asked by Christopher
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the two lenses in contact are 45 cm away from the object and the distance of the object from the image is 110 cm. if one of the
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2. asked by Melissa
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Two thin lenses one with 12 cm focal length and the other with a -6.0 cm focal length are placed 18 cm apart.Locate the final
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2. asked by JN
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Two converging lenses, having focal length 5 cm and 10 cm respectively, are placed25cm apart. An object is placed 10 cm in front
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2. asked by aiman
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An astronomical telescope of magnifying power 7, consist of two thin lenses 40 cm apart in normal adjustment. Find the focal
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2. asked by Bishmay
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45.Short focal-length lenses have a narrow angle vantage point, which magnifies objects and makes them look bigger and closer.
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2. 16 views
A compound microscope has lenses of focal length 1.0cm and 5.0cm.an object is placed 1.2cm from the objective lens.if a virtual
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2. 103 views