Answer:
i. A is converging lens B is diverging lens
ii. if the lens is thicker at it's center than its edge it is called converging lens and
if the lens is thinner at it's center than its edge it is called diverging lens. (thicker and thinner)
III. lensA
it said to be positive focal length
it always produce an upright image
lensB
it said to be negative focal length
it produce an upright image if the object is located in front of the focal point
2. example of lens A
plane mirror
convex mirror
example of lens B
concave mirror
Glasses
