What are the sign conventions for the mirror equation and magnification equation?
Understand the Problem
The question appears to be focused on the sign conventions used in mirror equations and magnification equations, outlining how to determine whether certain quantities are positive or negative based on the type of mirror and image characteristics.
Answer
Concave: f+, Convex: f-. Real image: d_i+, Virtual image: d_i-. Upright image: h_i+, Inverted image: h_i-.
For the mirror equation and magnification equation: f is positive if the mirror is concave and negative if convex. d_i is positive for real images and negative for virtual images. h_i is positive for upright (virtual) images and negative for inverted (real) images.
Answer for screen readers
For the mirror equation and magnification equation: f is positive if the mirror is concave and negative if convex. d_i is positive for real images and negative for virtual images. h_i is positive for upright (virtual) images and negative for inverted (real) images.
More Information
These conventions help in determining the placement and orientation of images formed by mirrors.
Tips
Confusing focal lengths for concave and convex mirrors is common. Remember: concave mirrors have positive focal lengths.
Sources
- Physics Classroom - The Mirror Equation - physicsclassroom.com
- Mirror Formula and Magnification - CK12-Foundation - flexbooks.ck12.org
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