Question

heyya good afternoon✌️✌️
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sign conventions for concave and convex mirror and lenses too​

Answer 1

According to Cartesian sign convention, object distances (u) are always negative as the object is placed to the left of the mirror/lens. Focal length (f) is positive for a convex lens and convex mirror. Focal length is negative for concave lens and concave mirror. ... Image distance is always positive for a convex mirror.

Answer 2

Explanation:

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