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प्रश्न
Which colour of light has a higher critical angle? Red light or green light.
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उत्तर
The critical angle for 'Red' colour is higher than that of green light.
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संबंधित प्रश्न
What is total internal reflection?
Two isosceles right-angle glass prisms P and Q are placed near each other as shown in Fig. Complete the path of the light ray entering the prism P till it emerges out of the prism Q.
(i) Define critical angle.
(ii) State one important factor which affects the critical angle of a given medium.
A ray of light incident at an angle of incidence ‘i’ passes through an equilateral glass prism such that the refracted ray inside the prism is parallel to its base and emerges from the prism at an angle of emergence ‘e’.
How is the angle of emergence ‘e’ related to the angle of incidence ‘i’?
How is the critical angle of a material related to its refractive index?
Complete the following diagram to show the path of the ray of a single colour in the diagram as if enters in and emerges out of the prism. Mark the angles wherever necessary. (Critical angle for glass = 42°).
Which one of the following is NOT the correct formula for refractive index of glass w.r.t. air (aμg) (i = angle of incidence, r = angle of refraction)
The outer concentric shell in optic fiber is called ______.
Which of the following statements about total internal reflection is true?
A Rainbow is a beautiful natural phenomenon formed because of the following:
