Question

Explain the difference between convex and concave lenses?
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Answer 1

$\textbf{Convex Lens }$:

It is thinner at the edges and thicker at the middle.

It is a converging lens.

It mostly forms real image.

$\textbf{Concave Lens }$:

It is thinner in the middle and thicker at the edges.

It is a diverging lens.

It always forms virtual images.

Answer 2

Answer:

concave lens is made up of two concave mirror while convex mirror is made up of two convex mirror...

Explanation: