You have a concave spherical mirror (the same holds if you had a convex mirror) If the value of q (the distance from the image to the mirror along the principal axis of the mirror) is 1.86m and the distance of p (the distance from the object to the mirror along the principal axis of the mirror) is 3.7m, what is the focal length of the mirror? h A 1 I C k B h' k q р The magnification equation and the sign convention for q imply that real images of real objects are always inverted (if both p and q are positive, m is negative); virtual images of real objects are always upright (if p is positive and q is negative, m is positive). Keeping the signs of p and q straight in your mind is the most challenging aspect of mirrors (and lenses). Fortunately, table 23.2 summarizes when p and q are positive and when they are negative.

You have a concave spherical mirror (the same holds if you had a convex mirror) If the value of q (the distance from the image to the mirror along the principal axis of the mirror) is 1.86m and the distance of p (the distance from the object to the mirror along the principal axis of the mirror) is 3.7m, what is the focal length of the mirror? h A 1 I C k B h' k q р The magnification equation and the sign convention for q imply that real images of real objects are always inverted (if both p and q are positive, m is negative); virtual images of real objects are always upright (if p is positive and q is negative, m is positive). Keeping the signs of p and q straight in your mind is the most challenging aspect of mirrors (and lenses). Fortunately, table 23.2 summarizes when p and q are positive and when they are negative.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter37: Reflection And Images Formed By Reflection

Section: Chapter Questions

Problem 33PQ: An object is placed 25.0 cm from the surface of a convex mirror and an image is formed. The same...

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