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| Name | PLANE OF POLARIZATION_PART 01 |
| Video Uploader | Video From 7activestudio |
| Upload Date | This Video Uploaded At 23-07-2014 08:21:26 |
| Video Discription | For more information: http://www.7activestudio.com [email protected] http://www.7activemedical.com/ [email protected] http://www.sciencetuts.com/ [email protected] Contact: +91- 9700061777, 040-64501777 / 65864777 7 Active Technology Solutions Pvt.Ltd. is an educational 3D digital content provider for K-12. We also customise the content as per your requirement for companies platform providers colleges etc . 7 Active driving force "The Joy of Happy Learning" -- is what makes difference from other digital content providers. We consider Student needs, Lecturer needs and College needs in designing the 3D & 2D Animated Video Lectures. We are carrying a huge 3D Digital Library ready to use. POLARIZATION: Introduction: The experiments on interfaces and diffraction have shown that light is a form of wave motion. These effects do not tell us about the types of wave motion i.e. whether the light waves are longitudinal or transverse, or whether the vibrations are linear, circular or torsional. The phenomenon of Polarization has helped to establish beyond doubt that light waves are transverse waves. Polarization of transverse waves:Let a rope AB be passed through two parallel slitS1 and S2. The rope is attached to a fixed point at B. Hold the end A and move the rope up and down perpendicular to AB.A wave images along CD and it is due to transverse vibrations parallel to the slit S1. The slit S2 allows the wave to pass through it when it is parallel to S1. It is observed that the slit S2 does not allow the wave to pass through it when it is at right angles to the slit S1.If the end A is moved in a circular manner, the rope will show circular motion up to the slit S1. Beyond S1, it will show only linear vibrations parallel to the slit S1, because the slit S1 will stop and the other components. If S1 and S2 are right angles to each other the rope will not show any vibration beyond S2.If longitudinal waves are setup by moving the rope forward and backward along the string, the waves will pass through S1 and S2 irrespective of their positions.A similar phenomenon has been observed in light when it passes through a tourmaline crystal. Let light from a source S fall on a tourmaline crystal A which is cut parallel to its axis.The crystal A will act as the slit S1¬. The light is slightly colored due to the natural color. |
| Category | Education |
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