An object that is 4.0 cm tall is placed 25 cm in front of a concave mirror of focal length 20 cm. (a) Where is the image formed and how far is it from the mirror? (b) Is the image real or virtual? Justify your answer. (c) How tall is the image? (d) Is the image upright or inverted? Justify your answer.
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.
An object that is 4.0 cm tall is placed 25 cm in front of a concave mirror of focal length 20 cm.
(a) Where is the image formed and how far is it from the mirror?
(b) Is the image real or virtual? Justify your answer.
(c) How tall is the image?
(d) Is the image upright or inverted? Justify your answer.
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