Advertisements
Advertisements
Question
Name the colour of white light which is deviated the most on passing through a prism.
Advertisements
Solution
Violet colour will deviate the most on passing through a prism.
APPEARS IN
RELATED QUESTIONS
Name one factor that affects the lateral displacement of light as it passes through a rectangular glass slab.
A monochromatic ray of light passes from air to glass. The wavelength of light in air is λ, the speed of light in air is c and in glass is V. If the absolute refractive index of glass is 1.5, write down
- the relationship between c and V,
- the wavelength of light in glass.
When light travels from a rarer to a denser medium, its speed ______.
(i) What is the relation between the refractive index of water with respect to air `("_aμ_\text(w))` and the refractive index of air with respect to water `("_\text(w)μ_ a)` .
(ii) If the refractive index of water with respect to air `("_aμ_\text(w))` is`5/3`. Calculate the refractive index of air with respect to water `("_\text(w)μ_ a)` .
Define the term refractive index of a medium. What do you understand by the statement 'the refractive index of glass is 1.5 for white light'?
Using the curve, how do you infer that for given prism, the angle of minimum deviation δmin is unique for the given light?
A ray of light passes from water to air. How does the speed of light change?
Name the material for which the refractive index is found to be maximum.
The refractive index of air with respect to glass is defined: as gµa = sin i/sin r
Write down a similar expression for aµg in terms of angle i and r.
The diagram shows the path of a ray of light through a rectangular glass block placed in a liquid of uniform density.
What should be the rate of the speed of light through the liquid to the speed through the glass so that there is no refraction of light at the boundaries of the glass block when the system is illuminated by the light of one colour?
