Reflection is the bouncing back of light when it strikes a surface. It is the reason we can see objects, mirrors create images, and light from the sun
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Why is the image in a plane mirror laterally inverted but not upside down?
Light rays reflect such that left and right are reversed in the image, creating lateral inversion. However, the front-to-back inversion appears as left-right reversal when we perceive the image. Up and down remain the same because those directions are perpendicular to the lateral inversion.
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Can a concave mirror form a real image below its focal length?
No, when the object is inside the focal length of a concave mirror, only a virtual, magnified image forms. A real image forms only when the object is beyond the focal length.
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Why are side mirrors in cars convex rather than plane?
Convex mirrors provide a wider field of view because they diverge light rays. Although images appear smaller and slightly distorted, the driver can see more of the road behind and beside the vehicle, improving safety.
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