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प्रश्न
Total internal reflection occurs only when a ray of light passes from a ______ medium to a ______ medium.
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उत्तर
Total internal reflection occurs only when a ray of light passes from a denser medium to a rarer medium.
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संबंधित प्रश्न
State the relation between the critical angle and the absolute refractive index of a medium.
Which colour of light has a higher critical angle? Red light or green light.
State two conditions necessary for total internal reflection to occur.
How does a ray of light bend when it travels from denser to rarer medium.
Images formed by totally reflecting prisms are brighter than the image formed by ordinary reflected light, why?
The adjacent diagram shows two right-angled isosceles prisms A and B. Complete the diagram to show the path of rays P and Q emerging out of the prism B. What principles have you used to complete the diagram?
For the same angle of incidence, the angle of refraction in four media A, B, C and D are 25°, 30°, 35° and 40° respectively. The speed of light is least in medium ______.
For a ray of light, the critical angle is minimum when it travels from ______.
A light is entering from one medium refractive index `("RI" =5/3)` to another medium at an angle 30°. The angle of refraction for other medium is sin-1 `(5/6)`. then the increase in angle of incidence is ______ such that the ray of light reflected back into the same medium.
Small air bubbles rising up a fish tank appear silvery when viewed from some particular angle is due to the ______.
