In the figure, an air lens of radii of curvature 
is cut in a cylinder of glass 
. The focal length and the nature of the lens is
.png)
a)
15 
, concave
b)
15 
, convex
c)
, neither concave nor convex
d)
0, concave
is cut in a cylinder of glass . The focal length and the nature of the lens isa)
15 , concave
b)
15 , convex
c)
, neither concave nor convex
d)
0, concave
Question ID - 152628 | SaraNextGen Top Answer In the figure, an air lens of radii of curvature is cut in a cylinder of glass . The focal length and the nature of the lens is
a)
15 , concave
b)
15 , convex
c)
, neither concave nor convex
d)
0, concave
In the figure, an air lens of radii of curvature is cut in a cylinder of glass . The focal length and the nature of the lens is
|
a) |
15 |
b) |
15 |
|
c) |
|
d) |
0, concave |
1 Answer
127 votes
so behaves as concave lens127