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प्रश्न
What is the refractive index of vacuum
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उत्तर
Unity
संबंधित प्रश्न
Explain how spectrum is formed.
Observe the following figure and answer the questions given under it:
1) How many times does refraction take place in the above figure?
2) What happens to the ray of light when it passes from air to glass?
3) What happens to the ray of light when it passes from glass to air?
4) What are the rays AB and CD in the figure called?
5) Define refraction.
With the help of diagram of the principal section of a prism, indicate its refracting surfaces, refracting edge and base.
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Which of the following is the best experimental set-up out of the four shown for tracing the path of a ray of light passing through a rectangular glass slab ?
Make the correct for each of the following :
With reference to the fig, the refractive index of the glass block is
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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?
