PPT-Light Refraction

Presented by Vandana Bathla amp Eric Williams Light Refraction Have you ever wondered why it appears we see puddles of water on a highway on a hot summer day What you are seeing is not really water but a mirage. RAY OPTICS -I Refraction of Light: Refraction is the phenomenon of change in the path of light as it travels from one medium to another (when the ray of light is incident obliquely). It can also be de Unit 8. How we use light to see.. To the physicist, the colors of things are not in the substances of the things themselves.. Color is in the eye of the beholder and is provoked by the frequencies of light emitted or reflected by things.. Mr. . . Dvorsky. SNC2D1. Review of last chapter. From the last chapter, we know how light behaves when it travels in space or in the air – i.e. it travels in a straight line.. When light strikes a plane mirror, the angle of incidence = the angle of reflection. . PHYS . 132-. 002: . Wednesday, May . 11 . @ 10-11:50 am. Homework . for tomorrow…. . . (. Ch. . 23, Probs. . . 12, 14, & 52). . 22.30. : a) double-slit as . Δ. y. is the same b) 1.5 x 10. Refraction occurs at a boundary. The speed of light must change at the boundary. The angle of the light ray is measured from the normal, as was the case with reflection. If the speed slows across the boundary, the refracted angle will be smaller – the light ray will bend toward the normal.. Reflection. When a wave reaches a boundary between two media, usually some or all of the wave bounces back into the first medium.. A metal surface is rigid to light waves that shine upon it. . Light . Transparent substances refract light. It’s not magic… it’s science!. How light Refracts. Refraction is due to changes in the speed of light.. In space, light travels at 300 000 km/s. Space is a vacuum, and there are no particles to get in the way of light and slow it down.. WITH DISPERSION. CSS552 – Topics in Rendering. Winter . 2011. Final Project by:. Kohei Ueda. Shivani Srikanteshwara. Mary Ann Chiramattel Kunjachan. What we will present today …. Introduction to dispersion. Measurements of the speed of light:. c = 3 . × 10. 8. m/s = . 186,000 miles/s. light propagating through matter – . transparent vs. opaque. materials. colors. The bending of light – refraction. LIGHT. Light carries . energy. and . power.. Light . is a form of . energy. that travels.. The . intensity. . of light is the amount of energy per . second. falling on a surface.. Most light sources distribute their light . Interferometry: Theory. Pawan Bharadwaj, Gerard Schuster, Ian Mallinson. KAUST. 110 km. 110 km. Standard OBS Receiver Gather. Super-virtual OBS Receiver Gather. Problem: . Short Streamer=Missing Low-Wavenumber Components . light bends or refracts when it moves from one medium to another. the light bends because it changes speed. if light slows down it bends toward the normal. if light speeds up it bends away from the normal. o. . What is the angle of incidence in glass?. Problem 1. Light travels from crown glass (n=1.52) into air (n=1.00). The angle of refraction in air is 60. o. . What is the angle of incidence in glass?. and the . Ametropias. Scott P. Drexler OD. University of Pittsburgh . School of Medicine . AKA: Shape is Power. Light is a Wave. The direction and quality of that wave is changed as the wave transfers from one medium to another.