Physics, asked by jenny73, 10 months ago

Two thin lenses of power +3.5D and -2.5D are placed in
contact. Find the power and focal length of the lens.

Please Answer

Answers

Answered by sadikalisait

power(p) =p1+p2=3.5+2.5=6.0D

focal length(f) =1/p=1/6=0.166meter

hope it will help you and made your funda strong

Please mark me brainliest and follow me to get answer thoroughly

jenny73: i Think the answwr is wrong

jenny73: bcoz the powers are +3.5D and -2.5 D

Answered by gargi65

p = 6D

1/f=1/3.5-1/2.5=0.166m

Solve nd get answer

jenny73: dont u think the power should be 1 D

jenny73: 3.5D +(-2.5D) =1D

gargi65: I think so....

gargi65: u r right

jenny73: then plz edit the answer

Previous Question

Next Question