Viteee
Ray Optics
VITEEE 2021
MCQ+4 / -12021
When an object is placed \(40 \mathrm{~cm}\) from a diverging lens, its virtual image is formed \(20 \mathrm{~cm}\) from the lens. The focal length and power of lens are
Viteee
VITEEE 2021
When an object is placed \(40 \mathrm{~cm}\) from a diverging lens, its virtual image is formed \(20 \mathrm{~cm}\) from the lens. The focal length and power of lens are