It has only one surface which reflects light. 

It has two surfaces, out of which one or both can refract light. 

It follows the laws of reflection. 

It follows the law of refraction. 

A mirror can be plane or spherical (concave or convex) 

A lens is usually curved from either one or both surfaces. 

Mirror formula is 1/f = 1/v + 1/u

Lena formula is 1/f = 1/v - 1/u

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  1. Class 10
  2. Chapter 10 Class 10 - Light - Reflection and Refraction

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.