Advertisements
Advertisements
Question
A light ray does not bend at the boundary in passing from one medium to the other medium if the angle of incident is ______.
Options
0°
45°
60°
90°
Advertisements
Solution
A light ray does not bend at the boundary in passing from one medium to the other medium if the angle of incident is 0°.
APPEARS IN
RELATED QUESTIONS
Which colour of light has a higher critical angle? Red light or green light.
Write the relation between the refractive index and critical angle for a given pair of optical media?
Make the correct choices for each of the following :
Total Internal reflection takes place when
(where ∠i = angle of incidence, ∠r = angle of refraction, ∠C = critical angle)
Name the principle on the basis of which optical fibres work.
Why do diamonds sparkle?
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’?
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’.
What can you say about the value of the angle of deviation in such a situation?
How is the critical angle of a material related to its refractive index?
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.
Which of the following is used in optical fibres?
