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प्रश्न
What do you understand by the deviation produced by a prism?
उत्तर
When a ray of light passes through a prism, it bends towards the base of the prism. Thus, the path of the emergent ray differs from the path of the incident ray. This is called the deviation produced by a prism.
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संबंधित प्रश्न
Draw a ray diagram to show the refraction of light through a glass slab and mark angle of refraction and the lateral shift suffered by the ray of light while passing through the slab.
Explain the term absolute refractive index of a medium and write an expression to relate it with the speed of light in vacuum.
When light travels from a rarer to a denser medium, its speed ______.
Fill in the blanks to complete the following sentence
When light travels from a denser to a rarer medium, its speed ……………….
Select from the following the best experimental set-up for tracing the path of a ray of light through a glass slab:
(A) I
(B) II
(C) III
(D) IV
Name the phenomenon responsible in the following case:
Twinkling of stars
State the relation between the refractive index μ and the velocity of light (vm) in that medium.
Two parallel rays of Red and Violet travelling through the air, meet the air-glass boundary as shown in the above figure. Will their paths inside the glass be parallel? Give a reason for your answer.
Draw the ray diagram of a glass slab having medium A and B for the velocity of light ray VA and VB respectively and define Snell's law.
- If VB = 1.5 VA, then which medium is denser?
- What is the refractive index of A with respect to B?
- What is the refractive index of B with respect to A?
