Concave Mirror: All Possible Image Formations class 12 cbse

Concave Mirror: All Possible Image Formations

Object PositionImage PositionNature of ImageSize
At infinityAt FReal, invertedHighly diminished (point-sized)
Beyond CBetween C and FReal, invertedDiminished
At CAt CReal, invertedSame size
Between C and FBeyond CReal, invertedEnlarged
At FAt infinityReal, invertedHighly enlarged
Between F and PBehind mirrorVirtual, erectEnlarged

Key:

  • P = Pole
  • F = Principal Focus
  • C = Centre of Curvature

Convex Mirror: All Possible Image Formations

Object PositionImage PositionNature of ImageSize
At infinityAt F (behind mirror)Virtual, erectHighly diminished
Anywhere in front of mirrorBetween P and F (behind mirror)Virtual, erectDiminished

Quick NEET/JEE Points

  1. Concave mirror can form both real and virtual images.
  2. Convex mirror always forms virtual, erect, and diminished images.
  3. Real images are inverted and can be obtained on a screen.
  4. Virtual images cannot be obtained on a screen.
  5. Convex mirrors are used as rear-view mirrors because they provide a wider field of view.

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