Physics, 12.08.2020 04:01, kamy8900

A 6.95 mm high firefly sits on the axis of, and 12.9 cm in front of, the thin lens A, whose focal length is 6.53 cm. Behind lens A there is another thin lens, lens B, with a focal length of 29.9 cm. The two lenses share a common axis and are 56.7 cm apart. Required:
a. Is the image of the firefly that lens B forms real or virtual?
b. How far from lens B is this image located (expressed as a positive number)?
c. What is the height of this image (as a positive number)?
d. Is this image upright or inverted with respect to the firefly?

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A 6.95 mm high firefly sits on the axis of, and 12.9 cm in front of, the thin lens A, whose focal le...