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Dec 7, 2022 · Light has the properties of waves. Like ocean waves, light waves have crests and troughs. The distance between one crest and the next, which is the same as the distance between one trough and the next, is called the wavelength .
A ray is shown leaving the leg and refracting at the water air interface. The refracted ray bends away from the normal. Extrapolating the refracted ray back into the water, the extrapolated ray is above the actual ray so that the image of the leg is above the actual leg and the leg appears shorter. 11.
Light is refracted as it enters and leaves a diamond. The diagram shows a ray of light entering a diamond. normal. diamond . air (a) On the diagram, label the angle of incidence . i. and the angle of refraction . r. (b) State what happens to the speed of the light as it enters the diamond.
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The image below shows white light being split into its constituent colours by a glass prism. Why does a prism cause white light to be dispersed? Questions and model answers on Light for the Cambridge (CIE) IGCSE Physics syllabus, written by the Physics experts at Save My Exams.
This collection of problem sets and problems target student ability to use wave principles and equations to solve physics word problems associated with light speed, frequency, wavelength, illuminance, the Doppler shift, and two-point source interference.
In this chapter, we study the basic properties of light. In the next few chapters, we investigate the behavior of light when it interacts with optical devices such as mirrors, lenses, and apertures.
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Light rays diverging from a point at an angle theta are incident on a mirror at two different places and their reflected rays diverge. One ray hits at an angle theta one from the normal, and reflects at the same angle theta one on the other side of the normal.
