An object is placed at a distance of 25cm from a spherical mirror and its image is formed behind the mirror at a distance of 5cm. find focal length. Is it concave or convex mirror?
Arshippk13
Asked:
December 2022
Fig shows a leaf, with white and green regions, that is attached to a plant. The plant had been kept in the dark for 48 hours and then a lightproof, black paper cover was placed over part of the leaf. The plant is left under a light for 24 hours....