2 lens of power +2.5 D and -1.5Dhad placed in contact with is other find (1) power of combined lens (2)focal length of combination (3) is the above combinatuon is useful to remove short sightedness . explain?
Answers
Answered by
1
the answer of power combined of lens will be 1
the focal length is come in positive so it is used in short sidness means myopia
the focal length is come in positive so it is used in short sidness means myopia
bituboss:
not satisfied with the ans
not complete ans i have get
Similar questions