Question 1 [CBSE Delhi 2020] - MCQ from Past Year Papers - Chapter 10 Class 10 - Light - Reflection and Refraction

Last updated at April 16, 2024 by

The laws of reflection hold true for:  

(a) plane mirrors only  

(b) concave mirrors only  

(c) convex mirrors only  

(d) all reflecting surfaces 

 

Answer

The laws of reflection are applicable to all types of reflecting surfaces including spherical surfaces. 

These laws are:

  • (i) The angle of incidence is equal to the angle of reflection , and 
  • (ii) The incident ray , the normal to the mirror at the point of incidence and the reflected ray , all lie in the same plane . 

incident,-reflected-and-normal-rays-in-the-mirror---teachoo---2.jpg

So, the correct answer is (d) all reflecting surfaces 

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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo