8th Science NCERT Chapter 13
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Topics to Study from the Chapter on Light:
1. What Makes Things Visible
– Objects are seen when light from them enters our eyes, either emitted or reflected by the object.
2. Laws of Reflection
– The angle of incidence is always equal to the angle of reflection; reflection involves incident and reflected rays.
3. Image Formation by a Plane Mirror
– Understanding features of the image formed by a plane mirror (orientation, size, distance, obtainability).
4. Regular and Diffused Reflection
– Regular reflection occurs on smooth surfaces, creating clear images, while diffused reflection happens on rough surfaces.
5. Reflected Light Can Be Reflected Again
– Exploring how reflected light can be further reflected, as seen in situations like looking into mirrors in hair salons.
How is seeing made possible according to the chapter?
What happens to light when it strikes a polished or shiny surface like a mirror?
What is the relationship between the angle of incidence and the angle of reflection according to the laws of reflection?
What does diffused or irregular reflection refer to?
Explain the concept of lateral inversion in an image formed by a mirror.
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