Question

what is the properites of concave lenes

Answer 1

concave lens are diverging lens they are useful in correction of hypermetropia .. concave lens are bulged inwards....

Answer 2

1) They always form virtual, erect and diminshed image.
2) Since the image formed is virtual, it cannot be obtained on a screen.
3) It is used by people to correct the defect of myopia.
4) It is thick from the edges and thin from the centre.
5) These type of lenses are also called diverging lens.