For the shifted mirror in the preceding standalone geometry—focal length 20 cm and object distance 25 cm—find the real image distance from that mirror in centimetres.
Physics · Geometrical optics · spherical mirror
JEE Mains NEET

Question

For the shifted mirror in the preceding standalone geometry—focal length 20 cm and object distance 25 cm—find the real image distance from that mirror in centimetres.

G1 Physics · Accepted Answer

Using v=fu/(u−f)=20×25/5=100 cm.