A 10cm tall tablet computer is placed vertically 20cm from a plane mirror. its image distance was found to be 20cm. What is the height of the image of the computer? and what is the magnification of this image?

1 Answer
Feb 2, 2018

See below

Explanation:

A plane mirror always produces image equal to size of the object.

Thus, size of image = 10 cm

The magnification produced by a plane mirror is always +1.

The formula of magnification is

Height of Image divided by Height of object.