Question

11. An object of size 3 cm is placed 14 cm in front of a concave lens of focal length 21
cm. Describe the image produced by the lens.​

Answer 1

Answer:

Ray Optics and Optical Instruments. An object of size 3.0 cm is placed 14 cm in front of a concave lens of focal length 21 cm. ... So, image is errect and virtual of smallar size. As the object is moved away from the lens, the virtual image moves towards the focus of the lens but never beyond