The bowl of a shiny spoon forms an enlarged, upright image similar to that of a ____ mirror.

Light rays that hit a convex mirror ____ as they are reflected.

Outside rear-view mirrors on automobiles are generally ____.

____ are thick in the middle and thin at the edges.

The image formed by a plane mirror is ____.

A ____ lens has a short focal length and produces a small image that includes much of the surroundings.

When an object is less than ____ focal length(s) away from the lens, the image is no longer real.

Because they bend light more, thick convex lenses have ____ focal lengths than thin convex lenses.

Which of these is not true about a real image?

Electrical power for the Hubble Space Telescope is provided by ____.

A farsighted eye focuses an image ____.

A farsighted eye focuses an image ____.

Which of the following uses a lens and two mirrors?

Which of the following uses a long-focal-length lens, a short-focal-length lens, and has an inverted image?