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प्रश्न
Which colour of light travels fastest in any medium except air?
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उत्तर
Red colour travels the fastest as its wavelength is the highest.
संबंधित प्रश्न
Explain how the formation of a rainbow occurs.
Name the colour of white light which is deviated the most on passing through a prism.
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- the angle of refraction and
- the angle of deviation for the ray?
In the fig. name the ray which represents the correct path of light while passing through a glass block.
Draw a ray diagram showing the lateral displacement of a ray of light when it passes through a parallel sided glass slab.
Using the curve, how do you infer that for given prism, the angle of minimum deviation δmin is unique for the given light?
How does the deviation produced by a prism depend on the refraction index of its material.
Name two instruments of the total refracting prism in which is used.
In the diagram below, PQ is a ray of light incident on a rectangular glass block.
How are the angles ‘i’ and ‘e’ related to each other?
