Lens Formation

Questions (2)

2 lenses in contact of power 3D and -5D form a composite lens. An object is placed around a distance 50 cm from this composite
1. 4 answers
2. asked by Reet
3. 1,519 views
A lab setup uses a 1.5 meter long optical bench to hold a light that serves as the object, a lens, and a screen for the image.
1. 2 answers
2. asked by HelloKitty
3. 519 views