Advertisements
Advertisements
प्रश्न
How does the deviation produced by a prism depend on the wavelength of incident light?
उत्तर
The refractive index of a medium is different for light of different colours. It increases with decrease in wavelength. Thus, the refractive index of the material of prism is maximum for violet and least for red light. Hence, the prism deviates violet light the most and red light the least, i.e., δviolet > δred
APPEARS IN
संबंधित प्रश्न
Draw a ray diagram to show the refraction of light through a glass slab and mark angle of refraction and the lateral shift suffered by the ray of light while passing through the slab.
Draw the diagram of refraction of light in the glass slab
How does the angle of deviation produced by a prism change with increase in the angle of incidence. Draw a curve showing the variation in the angle of deviation with the angle of incidence at a prism surface.
A ray of light passes from air to water. In fig. 39, which of the ray A, B, C and D is the correct refracted ray?
Name the phenomenon responsible in the following case:
Apparent bending of a stick in water
Does the depth of a tank of water appear to change or remain the same when viewed normally from above?
The refractive index of air with respect to glass is defined: as gµa = sin i/sin r
If r = 90°, what is the corresponding angle i called?
The diagram shows the path of a ray of light through a rectangular glass block placed in a liquid of uniform density.
Show with the help of a ray diagram the path of the ray when incident ray normally falls on the first surface of the glass block and passes through the block and the liquid.
Observe the figure and name the ray AB, ray CD, ray GH.
