The correct sequencing of angle of incidence,  angle of emergence, angle of refraction and lateral  displacement shown in the following diagram by  digits 1, 2, 3 and 4 is: 

Question 5 [Delhi Set-1, 2017].jpg

(a) 2, 4, 1, 3 

(b) 2, 1, 4, 3  

(c) 1, 2, 4, 3 

(d) 2, 1, 3, 4  

 

Answer

  • Angle 2 in the image is angle of incidence  
  • Angle 4 is the angle of refraction
  • Angle 1 is the angle of emergence  
  • Angle 3 is the lateral displacement

Question 5 [Delhi Set-1, 2017] - Labelled.jpg

So, the correct answer is (b) 2, 1, 4, 3 

  1. Class 10
  2. Chapter 10 Class 10 - Light - Reflection and Refraction (Term 1)

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo