Riya Singh12thSample· 22d ago
Concave mirror numerical: u = -20 cm, f = -15 cm but I get v = -8.57 cm. Where is my sign going wrong?
Optics is supposed to be the poetry of physics, but my signs are writing nonsense tonight. Question: an object is placed 20 cm in front of a concave mirror of focal length 15 cm. Find the image position and magnification
