Question 5 [Delhi Set-1, 2017] - MCQ from Past Year Papers - Chapter 10 Class 10 - Light - Reflection and Refraction

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: 

(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

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