Is the focal length negative for a convex mirror?
Understand the Problem
The question is asking about the nature of the focal length for a convex mirror and whether it is considered negative. This involves understanding the optics of mirrors and the sign convention used in lens and mirror formulas.
Answer
The focal length of a convex mirror is positive.
The focal length of a convex mirror is positive.
Answer for screen readers
The focal length of a convex mirror is positive.
More Information
According to the sign convention for mirrors, the focal length of a convex mirror is taken as positive because the focus lies on the side from which the light originates.
Sources
- Which type of mirror has negative focal length - vedantu.com
- Why is the focal length of a convex mirror negative? - physics.stackexchange.com
- Sign Convention - Physics - physics.bu.edu
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