Question

19.11
The graph between object distance 'u' and image distance 'v 'for a lens is given. The focal length
of the lens is
a. 5 (unit)
b. -5 (unit)
c. 0.5(unit)
d. -0.5(unit)
+11
+10
45°
+9
u
-10​

Answer 1

Answer:

The graph between object distant i image destanve v is given and focal length of the lens is..+9