Question

How to find focal length of magnifying glass if its magnification is given???​

Answer 1

Answer:

Because the jeweler holds the magnifying lens close to his eye, we can use Equation 2.8. 10 to find the focal length of the magnifying lens. M=m=hiho=15mm3.0mm=5.0. f=25cmM−1=25cm10−1=2.8cm

hope it helps you!

Answer 2

Answer:

We need to determine the requisite magnification of the magnifier. Because the jeweler holds the magnifying lens close to his eye, we can use Equation 2.8. 10 to find the focal length of the magnifying lens. M=m=hiho=15mm3.0mm=5.0.