Advertisements
Advertisements
प्रश्न
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)
पर्याय
Light is going from glass to air and ∠I < ∠C
Light is going from air to glss and ∠i < ∠C
Light is going from glass to air and ∠i > ∠C
Light is going from air to glss and ∠i > ∠C
Light is going from glass to air and ∠i = ∠r
Advertisements
उत्तर
Light is going from glass to air and ∠i > ∠C
APPEARS IN
संबंधित प्रश्न
What is total internal reflection?
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?
Name the factors affecting the critical angle for the pair of media.
A spherical marble, of refractive index 1.5 and curvature 1.5 cm, contains a tiny air bubble at its centre. Where will it appear when seen from outside?
Choose the correct option.
Select the WRONG statement.
The resultant `vec"R"` of `vec"P"` and `vec"Q"` is perpendicular to `vec"P"`. Also `|vec"P"|=|vec"R"|`. The angle between `vec"P"` and `vec"Q"` is ______.
[tan 45° = 1]
The entire light is reflected back into the denser medium is called ______.
The angle of incidence at which the angle of refraction is Q£ is called the critical angle.
The phenomena involved in the reflection of radiowaves by ionosphere is similar to ______.
A Rainbow is a beautiful natural phenomenon formed because of the following:
