Applications Of Reflection Of Light
When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.
Sign Convention for Mirrors
A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.
A thin lens with a focal length of 0.5 meters forms an image of an object. The object is 0.2 m from the lens
a) Sketch a ray diagram to show where the image would be located. The diagram is begun for you below; × marks focal points, the dark arrow is the object, and the dashed line is the axis of the lens. From the diagram, state what is (approximately) the distance of the image from the lens. b) By calculation, find how far the image is from the lens.
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