Question

frame any two questions differences between convex lens and concave lens?​

Answer 1

Answer:

Difference Between Convex and Concave Lenses :

Convex Lens Concave Lens

A convex lens is thicker at the centre and thinner at the edges. A concave lens is thicker at the edges and thinner at the centre.

Due to the converging rays, it is called a converging lens. Due to the diverging rays, it is called a diverging lens.

Explanation:

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Answer 2

Concave Lens (Diverging Lens)

1. The middle of a concave lens is thinner, while the edges are thicker.
2. It has a negative focal length and diverges incident rays away from the principal axis.

Convex Lens ( Converging Lens)

1. The middle of a convex lens is thicker than the edges, while the edges are thinner.  
2. It has a positive focal length and converges incident rays towards the principal axis.

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