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Two plus lenses have focal lengths in the ratio 3:1.

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
3. 645 views
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
3. 691 views
Telephoto lenses allow one to "zoom in" on distant objects, making them bigger. A particular telephoto lens consists of a
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2. asked by andy
3. 517 views
Telephoto lenses allow one to "zoom in" on distant objects, making them bigger. A particular telephoto lens consists of a
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2. asked by Anonymous
3. 463 views
Telephoto lenses allow one to "zoom in" on distant objects, making them bigger. A particular telephoto lens consists of a
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2. asked by Danny
3. 547 views
Telephoto lenses allow one to "zoom in" on distant objects, making them bigger. A particular telephoto lens consists of a
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2. asked by andy
3. 682 views
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
3. 1,932 views
Physics lenses. Please help, my math is wrong and I need second opinion.?Consider three lenses with focal lengths of 25.9 cm,
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2. asked by Physics
3. 969 views
Two converging lenses with focal lengths 5 cm and 30 cm are placed 35 cm apart. Rays from a very distant object are impinged on
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2. asked by Abby
3. 677 views
Two converging lenses with the focal lengths of 40 cm and 20 cm are 10 cm apart. a 2.0-cm-tall object is 15 cm in front of the
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2. asked by Ashley
3. 1,488 views