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प्रश्न
What is the difference between polarised light and unpolarised light?
Differentiate between polarised and unpolarised light.
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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. |
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संबंधित प्रश्न
Find an expression for intensity of transmitted light when a polaroid sheet is rotated between two crossed polaroids. In which position of the polaroid sheet will the transmitted intensity be maximum?
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Show, via a suitable diagram, how unpolarised light can be polarised by reflection.
What is the value of refractive index of a medium of polarising angle 60°?
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Green light is incident at the polarising angle on a certain transparent medium. The angle of refraction is 30° . Find
(i) polarising angle, and
(ii) refractive index of the medium.
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Explain how an unpolarised light gets polarised when incident on the interface separating the two transparent media.
What is polarisation?
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What is a polariser?
What is unpolarised light?
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The reflected light is found to be plane polarised when an unpolarized light falls on a denser medium at 60° with the normal. Find the angle of refraction and critical angle of incidence for total internal reflection in the denser to rarer medium reflection.
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Which of the following phenomena is not common to sound and light waves?
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A polarizer - analyser set is adjusted such that the intensity of light coming out of the analyser is just 10% of the original intensity. Assuming that the polarizer - analyser set does not absorb any light, the angle by which the analyser need to be rotated further to reduce the output intensity to be zero, is ______.
