A 6.09 mm high firefly sits on the axis of, and 11.7 cm in frontof, the thin lens A, whose focal length is 5.63 cm Behind lens Athere is another thin lens, lens B, with a focal length of 21.5 cm.The two lenses share a common axis and are 60.5 cm apart.
Is the image of the firefly that lens B forms real orvirtual?
real
virtual
How far from lens B is this image located? Express the answer asa positive number.
image distance from lens B:__ cm
What is the height of this image? Express the answer as apositive number.
image height:__ mm
Is this image upright or inverted with respect to thefirefly?
upright
inverted
