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प्रश्न
How does the angle of deviation produced by a prism depend on the colour of light used? Which colour of white light is deviated (i) most, (ii) least, by a prism?
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उत्तर
The angle of deviation produced by a prism increases with the decrease in wavelength of the light used.
(i) Violet light is deviated most by a prism.
(ii) Red light is deviated least by a prism.
संबंधित प्रश्न
State the dependence of angle of deviation On the wavelength of light
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.
When a ray of light from air enters a denser medium, it ______.
A light ray in passing from water to a medium
(a) speeds up
(b) slows down. In each case, give one example of the medium.
Which of the following has the highest refractive index:
Explain briefly what causes the twinkling of stars at night.
How will you verify the laws of refraction or how the refractive index of glass is determined in the laboratory?
The refractive index of glass with respect to air is 3/2. What is the refractive index of air with respect to glass?
