A concave mirror forms a real image with |m|=5. If |f|=10 cm, find the object-image separation in centimetres.
Physics · Geometrical optics · spherical mirror
JEE Mains NEET

Question

A concave mirror forms a real image with |m|=5. If |f|=10 cm, find the object-image separation in centimetres.

G1 Physics · Accepted Answer

u=f(1+1/5)=12 cm and v=60 cm, so separation=48 cm.