several questions Check all of the following that diverge light Answer concave l

Question

several questions

Check all of the following that diverge light Answer concave lens concave mirror convex lens convex mirrors A magnifying glass is used to view a stamp. Can the image be projected? Answer no, it is a virtual image no it is real image yes, it is a virtual image yes it is a real image Diverging lenses and mirrors have Answer positive focal lengths negative focal lengths A object is held 20 cm away from a converging lens of focal length 10 cm. Determine the image distance and the type of image it is (real or virtual). Include units. Round to two sig digs. Show all work.

Explanation / Answer

1) concave lens and convex mirror

2) d

3) diverging lens-negetive

diverging mirror-positive

4) 1/v-1/u=1/f

==> 1/v+1/20=1/10

==> v=20 cm real

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