Question

1)At least_____ light rays are required to locate the image formed by a lens.

2

2)What is the nature of an image formed by a concave mirror of focal length 10 cm for a real object placed 3 cm from the mirror?

Real and inverted
2) is wrong. Objects placed inside the focal length distance do not form real images.
1/d_o is larger than 1/f.

Try computing d_i for that one.
What type of lens was used in our activity as shown below?

Related Questions

one word/term. 1.3.The minimum amount of energy required to start a reaction. 1.4.The distance betwe... Pick the THREE statements that describe convex lenses. A. They make the image of an object appear... Picky Eg three hat describes convex lenses? A. Makes an image appear larger b. Makes the image appea...