Question

Mark the given sentence [T] if true or of
(F) if false.
1. A lens has only one reflecting surface.
2. A convex lens is also called a convergent
lens.
3. A divergent lens is thin in the middle
and thicker at the edges.
4. In case of a concave lens, if the object
is placed at infinity, the image is formed
at focus.​

Answer 1

Answer:

1. A lens has only one reflecting surface.

false✅

2. A convex lens is also called a convergent lens.

true✅

3. A divergent lens is thin in the middle and thicker at the edges

false✅.

4. In case of a concave lens, if the object is placed at infinity, the image is formed at focus.

idk

Answer 2

Answer:

1. False

2. true

3. true

4. true