which is the crystal in which dispersion doesnt take place? (excluding glass slab)
Asked by Sagar krishna | 17th May, 2014, 10:02: PM
Glass slab can be thought of as a combination of two prisms which are inverted to each other. Hence, there is no dispersion taking place in it.
All other crystals will produce dispersion. Only if those crystals are joined together by their inverted forms then they wont produce any dispersion.
Answered by Romal Bhansali | 23rd May, 2014, 11:42: AM
- Show that the angle of deviation will be minimum when a light ray passes through a prism symmetrically.
- What is a prism?
- What is the difference in refraction through a prism and refraction through a glass slab?
- Calculate the deviation produced by a prism of angle 8 degree, for a material of refractive index 1.5.
- Define dispersion.
- What causes the phenomenon of dispersion?
- Can we combine two prism? If yes what is the purpose?
- Calculate the angular dispersion produced by a prism of angle 6 degree, if the refractive indices of material of prism for blue and green colours are 1.664 and 1.655.
- Define dispersive power and derive its formula.
- State the factor on which the dispersive power of a prism depends?
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