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A 6.21 mm high firefly sits on the axis of, and 10.7 cm in front of, the thin lens A, whose focal length is 6.01 cm. Behind lens A there is another thin lens, lens B, with a focal length of 20.7 cm. The two lenses share a common axis and are 59.3 cm арart. Is the image of the firefly that lens B forms real or virtual? virtual real How far from lens B is this image located? Express the answer as a positive number. image distance from lens B: ст What is the height of this image? Express the answer as a positive number. image height: mm

A 6.21 mm high firefly sits on the axis of, and 10.7 cm in front of, the thin lens A, whose focal length is 6.01 cm. Behind lens A there is another thin lens, lens B, with a focal length of 20.7 cm. The two lenses share a common axis and are 59.3 cm арart. Is the image of the firefly that lens B forms real or virtual? virtual real How far from lens B is this image located? Express the answer as a positive number. image distance from lens B: ст What is the height of this image? Express the answer as a positive number. image height: mm

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A 6.21 mm high firefly sits on the axis of, and 10.7 cm in front of, the thin lens A, whose focal length is 6.01 cm. Behind lens A there is another thin lens, lens B, with a focal length of 20.7 cm. The two lenses share a common axis and are 59.3 cm apart. Is the image of the firefly that lens B forms real or virtual? virtual real How far from lens B is this image located? Express the answer as a positive number. image distance from lens B: cm What is the height of this image? Express the answer as a positive number. image height: mm
Transcribed Image Text:A 6.21 mm high firefly sits on the axis of, and 10.7 cm in front of, the thin lens A, whose focal length is 6.01 cm. Behind lens A there is another thin lens, lens B, with a focal length of 20.7 cm. The two lenses share a common axis and are 59.3 cm apart. Is the image of the firefly that lens B forms real or virtual? virtual real How far from lens B is this image located? Express the answer as a positive number. image distance from lens B: cm What is the height of this image? Express the answer as a positive number. image height: mm
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