What is the focal length of a mirror whos magnification is m = +1?

Asked by  | 24th Jan, 2010, 12:10: PM

Expert Answer:

Magnification = Image height/Object height = -image distance/object distance.

Since magnification = +1

Image distance = -Object distance.

1/Focal Length = 1/Image distance + 1/Object distance.

1/Focal Length = 0

Focal Length = Infinity.

Regards,

Team,

TopperLearning.

Answered by  | 24th Jan, 2010, 02:45: PM

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