By how much is the image enlarged or reduced

Reference no: EM13272986

1) A virtual image is located 43.5cm behind a concave mirror with focal length 15.0 cm

A) Where is the distance from the mirror to the object?

B) By how much is the image magnified?

2) A lightbulb is 48 cm from a convex lens, and its image appears on a screen located 31 cm on the other side of the lens.

A) What is the focal length of the lens?

B) By how much is the image enlarged or reduced?

Reference no: EM13272986

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