Question

short sighted person can read distinctly a book which is placed at a distance of 20 cm what is the nature and power of lens used in spectacles to read the book at 25 cm distance​

Answer 1

Answer:

cite a person can read this entire book which is the place and distance of 1 to 10 cm what is the data and power of the lens used in that particular to the book at 25 November 25 and there is your answer hope it will help you answer when 25cm distance to give the book of power of lens we have you have to use tactical because the nature power of lens is used for physical and the difference is 20 cm and you have to add you have to more distance it will give you have to add 20 + 25 it will become 45 tell you the answer group 45 with answers