A 5.37 mm high firefly sits on the axis of, and 12.3 cm in front of, the thin lens A, whose focal length is 5.73 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 60.3 cm apart. Is the image of the firefly that lens B forms real or virtual? real virtual How far from lens B is this image located? Express the answer as a positive number. image distance from lens B: cm
A 5.37 mm high firefly sits on the axis of, and 12.3 cm in front of, the thin lens A, whose focal length is 5.73 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 60.3 cm apart. Is the image of the firefly that lens B forms real or virtual? real virtual How far from lens B is this image located? Express the answer as a positive number. image distance from lens B: cm
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Transcribed Image Text:A 5.37 mm high firefly sits on the axis of, and 12.3 cm in front of, the thin lens A, whose focal length is 5.73 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 60.3 cm apart.
Is the image of the firefly that lens B forms real or virtual?
real
virtual
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
Is this image upright or inverted with respect to the firefly?
inverted
O upright
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