Images Formed by Mirrors For Exams

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.

Convex mirror & applications (video) | Khan Academy

 

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

 

 

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

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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.

Note-

A periscope is an optical instrument that uses a system of prisms, lenses or mirrors to reflect images through a tube.

Learn Periscope in 2 minutes.

Light from a distant object strikes the top mirror and is then reflected at an angle of 90 degrees down the periscope tube.

 

 

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kaleidoscope is a toy that uses light and mirrors to reflect objects and create beautiful, fascinating repeating patterns.

Kaleidoscope Home

There are many different types of kaleidoscopes that create different patterns,

 

but all use the same basic laws of physics, manipulating light and reflection.

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