Question

please answer the question
An object of 5cm is placed at a distance of 10cm in front of a bi-concave lens of focal length 15cm . Calculate the size and position of the image and also comment on the nature of the image .

Answer 1

Answer:

In optics, an image is defined as the collection of focus points of light rays coming from an object. A real image is the collection of focus points actually made by converging rays, while a virtual image is the collection of focus points made by extensions of diverging rays.