Images Formed by Mirrors

Images Formed by Mirrors

 

Images formed by Concave Mirror

 

Position of object Position of image Nature of image
At infinity At focus (F) Real, diminished, inverted
Beyond centre of curvature (C) Between F and C Real, diminished and inverted
At C At C Real, same size, inverted
Between C and F Beyond C Real, enlarged, inverted
At F At infinity Real, enlarged, inverted
Between F and P Behind the mirror Virtual, enlarged and upright

 

Uses of Concave Mirrors

·                     Used by doctors to focus light inside the ears, mouth and throat.

·                     Used as shaving mirrors to see an enlarged view of face.

·                     Used as reflectors in torches and vehicle headlights to form powerful

beams.

Images formed by Convex Mirror

 

Position of object Position of image Nature of image
Irrespective of the position Behind the mirror Virtual, diminished, upright

 

Uses of Convex Mirrors

·                     Used in driving mirror to give a view of the traffic behind.

·                     Used at blind corners of roads/driveways to enable vehicles to see the

traffic around the corner.

Uses of Plane Mirrors

·                     Used as looking glass.

·                     Used in periscope used in ships, aircraft etc.

·                     Used in kaleidoscope, a children’s toy.

 

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