forming the centre of the image. The lenses are see through but there is something called a critical where the angle of refraction is greater angle of incidence 90°. In this diagram it describes the Critical angle and the rule and how the Total internal Reflection is created. (google
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PRELIMINARY PHYSICS Syllabus Notes 2007 Andrew Harvey 1st Edition PRELIMINARY PHYSICS Syllabus Notes 2007 Andrew Harvey 1 st Edition Copyright © Andrew Harvey 2007 Preliminary Physics Past Paper Solutions by Andrew Harvey is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 2.5 Australia License. Based on a work at andrew.harvey4.googlepages.com. First Edition published November 2007. 2006 Edition first released June 2006‚ updated July 2007.
Free Light Refraction Electromagnetic radiation
Refraction of light in water Refraction is the change in direction of a wave due to a change in its transmission medium. Due to change of medium‚ the phase velocity of the wave is changed but its frequency remains constant. This is most commonly observed when a wave passes from one medium to another at any angle other than 90° or 0°. Refraction of light is the most commonly observed phenomenon‚ When light travels from air into water‚ it slows down‚ causing it to change direction slightly. This
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curvature C. Focus :The principal focus is defined as the point on the principal axis where the light rays traveling parallel to the principal axis after reflection actually meet (for a concave mirror) or appear to meet (for a convex mirror). Pole : The pole is defined as the geometric center of the curved mirror. Rules of Reflection for Curved Mirrors 1. Any light ray traveling parallel to the principal axis is reflected by the curved mirror through the principal focus. It either actually
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wavelength is shown by: a. c c. b b. d d. a ____ 5. If wavelength is kept constant‚ which increases as the speed of a wave increases? a. period c. amplitude b. frequency d. phase ____ 6. Which shows the correct angle of reflection given the incident ray shown? a. c. b. d. ____ 7. If the period of a certain wave (wavelength = 4.5 m) is 2 seconds‚ what is the speed of the wave? a. 0.44 m/s c. 9.0 m/s b. 1.1 m/s d. 2.3 m/s ____ 8. Tapping
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time period of a simple pendulum. 10. To determine Faraday’s constant. 11. To determine electrochemical equivalent of a material. 12. To study the validity of ohm’s law for different types of material. 13. To study various factors on which the internal resistance /emf of a cell depends. 14. To study variations‚ in current flowing in a circuit containing a LDR ‚ because of variation. a. In the power of the incandescent lamp used to ‘illuminate’ the LDR. (keeping all the lamps at a fixed distance)
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Bibliography: http://www.rpi.edu/dept/phys/Dept2/APPhys1/optics/optics/node7.html http://issphysics.wikispaces.com/file/view/Lab+Report+Template.pdf http://www.visualopticslab.com/OPTI515L/Background/OpticalMaterials1.pdf http://uk.answers.yahoo.com/question/index?qid=20100107041138AAKhiJn http://homepages.rpi.edu/~schubert/Educational-resources/Materials-Refractive-index-and-extinction-coefficient
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mine alone. Date: 02/05/2012 Rajshekhar Bar 10PH40026 Department of Physics and Meterology IIT Kharagpur ABSTRACT Now a days x-ray reflectivity is a very useful method for the study of thin films and multilayer. This method is based on total external reflectivity. Using this method we can calculate the thickness of the film electron density profile of the material and roughness of the film surface. After a short introduction of Fresnel’s reflectivity‚ the Parratt formulation is used for
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refractive index and the ray should hit the center of the glass circle‚ so to check that the ray hits the center of the glass circle‚ we placed a wood block at the angle of reflection to see if the angle of reflection is the same as the angle of incidence‚ because we know that the angle of incidence is equal to the angle of reflection. Another thing which makes it easier to hit the center of the glass circle is by placing a paper on the flat side of the circle and see if the ray hits the center of the
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Baldeo Persaud NT1310 Unit 7 Assignment 1: Refraction‚ Reflection and Optics A good example of refraction of light and reflection of light is a rainbow. Sunlight enters the rain droplet at a specific angle and the rain droplet separates the white light into many different colors. This angle is a fixed measurement between your eye and the sun. What color is refracted depends upon the critical angle‚ which is the angle the sunlight strikes the back of the rain droplet. Red light bends the least
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