Openhttps://phet.colorado.edu/sims/html/geometric-optics/latest/geometric-optics_en.html

1. Choose the Concave Mirror.

C o A phet.colorado.edu/sims/html/geometric-optics/latest/geometric-optics_en.html Update Pencil Rays Radius of Curvature Diameter Focal Points % O O Marginal 200 cm 80 cm w/ Virtual Image Principal O Labels Many O Second Point O None C Geometric Optics PhET : Lens MirrorTable 3: Concave Mirror Position of Beyond 2f At 2f Between 2f At f Between f Object (cm) (cm) and f (cm) and lens (cm) cm do di hi Real or virtual Enlarged/ reduced/ same size Inverted / Upright Magnification hi m = - ho Magnification di m = do Calculated focal length