The distance between an object and its real image in a convex lens is 40cm....
PHYSICS
JAMB 2019
The distance between an object and its real image in a convex lens is 40cm. If the magnification of the image is 3, calculate the focal length of the lens
- A. 6.5 cm
- B. 7.5 cm
- C. 8.5 cm
- D. 4.5 cm
Correct Answer: B. 7.5 cm
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *