Guest

A plano convex lens has radius of curvature 60 cm and refractive index 1.5. When the convex surface is silvered, the system will work as concave mirror of focal length _?

A plano convex lens has radius of curvature 60 cm and refractive index 1.5. When the convex surface is silvered, the system will work as concave mirror of focal length _?

Grade:12

2 Answers

Nimish
14 Points
6 years ago
The answer will be 180cm with a negative sign as the question is for concave mirror the sign would be negative
Kavya Negi
26 Points
6 years ago
Nimish, can you please provide a little more detailed expanation? expalining why?
which formulae used
 

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free