Physics
Which lens is converging —
(i) an equiconcave lens or an equiconvex lens?
(ii) a concavo-convex lens or a convexo-concave lens?
Refraction Lens
104 Likes
Answer
(i) An equiconvex lens or bi convex has both its surfaces convex, and is a converging lens.
(ii) A concavo-convex lens is thicker in the middle and thinner at the edges and has a converging action on a light beam. Hence, a concavo-convex lens is a converging lens.
Answered By
62 Likes
Related Questions
Identify the incorrect statement :
- if the medium on both sides of a lens is same, its first and second focal lengths are equal, i.e. f1 = f2 (numerically).
- when we say focal length of a lens, we mean the first focal length of the lens.
- a convex lens has a real focus.
- a concave lens has a virtual focus.
What is a lens?
State the condition when a lens is called equiconvex or equi-concave.
Define the term focal length of a lens.