3a dissertation on a particular subject in which one has. An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. 30 Unique Headlight Relay Wiring Diagram Electrical Circuit Diagram Automotive Electrical Relay NCERT Question 10 - An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. . What is the magnification of the image. Here you can see the image is the object for the second lens and the. Transformer Formula - Efficiency Turn Ratio Step Up and Step Down. For a convex lens the first focal point is a point F 1 on the principal axis of the lens such that the rays of light starting from it or passing through it after refraction through lens become parallel to the principal axis of the lens. It is used as a magnifying lens and makes the images large and wide. How far is the object placed from the lens. Draw the ray diagram and find the po...