Question

Differences between convex lens and concave mirror

Answer 1

Answer:

• Convex Lens = It focal length is measured in positive. Its image distance is also measured in positive. It has power. It has both refracting surfaces . It does refraction. It is thin at edges and thick at middle.

• Concave mirror = Its focal length is measured as negative. Its image distance is also measured as negative. It does reflection. It has reflecting surface curved inwards. Only one surface is able to reflect. It does not have power.