Doctor suggested 4D lens to a patient then, find the focal length of the lens.
Share
Doctor suggested 4D lens to a patient then, find the focal length of the lens.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
So, the local length of the lens is 25 cm. Hence, this is the required solution.
Answer :
use the formula power=1/focal length (in metre)
4=1/f
f=1/4 metre
f=0.25metre
PLS MARK ME AS BRAINALIST