Advertisements
Advertisements
प्रश्न
What is the difference between polarised light and unpolarised light?
Differentiate between polarised and unpolarised light.
Advertisements
उत्तर
| S.No. | Polarised light | Unpolarised light |
| 1. | Consists of waves having their electric field vibrations in a single plane normal to the direction of ray. | Consists of waves having their electric field vibrations equally distributed in all directions normal to the direction of ray. |
| 2. | Asymmetrical about the ray direction | Symmetrical about the ray direction |
| 3. | It is obtained from unpolarised light with the help of polarisers | Produced by conventional light sources. |
APPEARS IN
संबंधित प्रश्न
What dose a polaroid consist of?
Why does an unpolarised light incident on a polaroid get linearly polarised ?
Show, via a suitable diagram, how unpolarised light can be polarised by reflection.
The refractive indices of glass and water w.r.t. air are 3/2 and 4/3 respectively. Determine the refractive index of glass w.r.t. water.
What is the Brewster angle for air to glass transition? (Refractive index of glass = 1.5)
When a low flying aircraft passes overhead, we sometimes notice a slight shaking of the picture on our TV screen. Suggest a possible explanation.
The glass plate of refractive index 1.732 is to be used as a polarizer, its polarising angle is _______.
State any two methods by which ordinary light can be polarised
What does a polaroid consist of? How does it produce a linearly polarised light?
Which of the following properties shows that light is a transverse wave?
State and obtain Malus’ law.
State Brewster’s law.
Discuss about pile of plates.
How is polarisation of light obtained by scattering of light?
A plane mirror produces a magnification of
Which of the following phenomena is not common to sound and light waves?
Can reflection result in plane polarised light if the light is incident on the interface from the side with higher refractive index?
For the same objective, find the ratio of the least separation between two points to be distinguished by a microscope for light of 5000 Å and electrons accelerated through 100 V used as the illuminating substance.
An unpolarized light beam is incident on the polarizer of a polarization experiment and the intensity of light beam emerging from the analyzer is measured as 100 Lumens. Now, if the analyzer is rotated around the horizontal axis (direction of light) by 30° in clockwise direction, the intensity of emerging light will be ______ Lumens.
