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प्रश्न
PQ and PR are two light rays emerging from the object as shown in the figure below:
(i) What is the special name given to the angle of incidence (∠PQN) of ray PQ?
(ii) Copy the ray diagram and complete it to show the position of the image of the object P when seen obliquely from above.
(iii) Name the phenomenon that occurs if the angle of incidence ∠PQN is increased still further.
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उत्तर
(i) Critical angle
(ii)
(iii) Total internal reflection of light.
संबंधित प्रश्न
State the conditions required for total internal reflection of light to take place
A light ray does not bend at the boundary in passing from one medium to the other medium if the angle of incident is ______.
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.
How does a ray of light bend when it travels from when it is normal to the interface of the two media.
Critical angle of light passing from glass to air is maximum for ____________.
Total internal reflection can take place only if light is travelling from ______.
Which of the following statements about total internal reflection is true?
Optical Fibres are based on the phenomenon of dispersion.
What are the conditions to achieve total internal reflection?
Name any two phenomena which take place in the formation of a rainbow.
