A 8 B 5 C 10 D 12 O A square plate of sides 3 cm is placed

Last updated: 6/10/2023

A 8 B 5 C 10 D 12 O A square plate of sides 3 cm is placed at 20 cm from concave mirror The focal lengt of concave mirror is 15 cm Then the area of image formed by concave mirror wil be cm A 124 B 81 C 144 D 169