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Lenses & Mirrors: Image Formation
NCERT Class 12 · Ray Optics
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Cross-section
Convex lens
Concave lens
Concave mirror
Convex mirror
▶ Play tour
Legend
Object (drag me!)
Image (solid=real, faded=virtual)
Principal rays
Lens
Mirror
Focal points F, F′
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Drag the red object along the axis · switch lens/mirror · watch the image flip
Source: NCERT Class 12 Physics, Ch. 9 — Ray Optics & Optical Instruments · Interactive 3D learning model
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