When light passes through a curved mirror or lens, it bends or reflects differently, focusing or spreading the rays. This bending helps form magnified, reduced or focused images used in spectacles, microscopes and cameras.
Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science NCERT solutions
Class 8 Science Curiosity Grade 8 Chapter 1 Exploring the Investigative World of Science question answer
Curved mirrors and lenses change the path of light. A concave mirror can focus light to a point, while a convex mirror spreads it out. Lenses, depending on shape, bend light to enlarge or shrink images. This is called refraction in lenses and reflection in mirrors. These effects are used in glasses, telescopes, microscopes and projectors. Understanding how curved surfaces affect light helps us design tools that improve vision, zoom in on objects or focus light for different purposes.
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