a) Real images are always inverted.
The image is inverted.
b) Diverging lenses produce virtual images only. Converging lenses have the ability to produce real images.
The lens is converging.
A lens produces a real image of a real object.
a) Is the image inverted or upright?
b) Is the lens diverging or converging?
c) Is the image enlarged or reduced in size?
d) If two convex lenses identical in size and shape are manufactured from glass with two different indices of refraction, would the focal length of the lens with the greater index of refraction (lens 1) be larger or smaller than that of the other lens (lens 2)?
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