© examsnet.com
Question : 4
Total: 9
Under what conditions does the phenomenon of total internal reflection take place? Draw a ray diagram showing how a ray of light deviates by 90 ∘ after passing through a right-angled isosceles prism.
Solution:
Conditions
Diagram
Conditions :
1. Light travels from denser to rarer medium
2. Angle of incidence in denser medium must be greater than critical angle.
Diagram
Conditions :
1. Light travels from denser to rarer medium
2. Angle of incidence in denser medium must be greater than critical angle.
© examsnet.com
Go to Question: