An object is 40 cm in front of a concave mirror with a focal length of 20 cm. Use ray tracing to locate the image. Is the image upright or inverted?
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. An object is 40 cm in front of a concave mirror with a focal length of 20 cm. Use
ray tracing to locate the image. Is the image upright or inverted?
b. A 2.0 cm tall object is 15 cm in front of a converging lens that has a 20 cm focal
length.
Use ray tracing to find the position and height of the image. To do this accurately, use a ruler or a paper with a grid. Determine the image distance and image
height by making measurements on your diagram.
c. Calculate the image position and height. Compare with your ray-tracing answers in part a.
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