endstream endobj 106 0 obj <> endobj 107 0 obj <> endobj 108 0 obj <>stream Without. hi��nWMt���C These objects are called opaque. • How do we measure it? Visible light is one type of electromagnetic radiation, which is a form of energy that exhibits wavelike behavior as it moves through space. • translucent: Can be seen through, but not clearly. Other objects completely reflect light, like an, animal or a book. View properties of light.pdf from SCIENCE 74722 at City College of San Francisco. Theyhaveenergy,andonemeasure of this energy is the “wavelength” of the light. Course Hero is not sponsored or endorsed by any college or university. 2There are many different types of electromagnetic (EM) waves. differently. air water. Physical properties of light Light consists of photons — “particles” with no mass which travelatthespeedoflight. • How do we measure it? Reflection incident ray reflected ray Normal Surface 6. Air 2.99 x 108 1.00028 Water 2.25 x 108 1.33 Glass 1.99 x 108 1.5 Diamond 1.25 x 108 2.4 Speed of light is slower in water than in air (opposite to sound) Light reflects and refracts. 114 0 obj <>/Filter/FlateDecode/ID[<47AD06A9B9F99457845F55161E831767><8FF47299FA3F7245AE7F2D9089BF6B9C>]/Index[105 25]/Info 104 0 R/Length 63/Prev 239165/Root 106 0 R/Size 130/Type/XRef/W[1 2 1]>>stream (such as waxed paper) • transparent: Allows almost all light to go through, so can be seen through clearly. 64-71, 103-114 (5.3 is optional). Reflection 5. A photon is the smallest quantity (quantum) of energy which can be transported, and it was the realization that light travelled in discrete quanta that was the origins of Quantum Theory. (Insomecircumstances, lighthas Most … Light Wave Properties of Light Reflection Refraction Diffraction Interference 2. • Watt & Policarpo, The Computer Image, Addison-Wesley, 1998, pp. • How does light propagate? light is either absorbed or reflected. Since Greek times, scientists have debated the nature of light. (such as … 1), Morgan Kaufmann Publishers, 1995, pp. 5-32. Toaverygoodapproximation, lighttravelsinstraightlines, and behavesmuchlikeaparticle. The only thing that changes this is when it passes. 2.1 Properties of EM Fields ECE 460 –Optical Imaging a) Polarization: Gives the direction of field oscillation Generally, light is a transverse wave (unlike sound = %PDF-1.5 %���� of both and tends to scatter the light. %%EOF Without light, we would be unable to see anything! electromagnetic waves, the important properties of light and other electromagnetic waves can therefore be understood in terms of the properties of these simple elementary waves. The optical properties of crystals are, next to x-ray diffraction and direct chemical analyses, the most reliable properties available to distinguish and identify minerals. Light is unique in that it behaves like both a particle and a, wave. 129 0 obj <>stream We couldn't live without light. So does it even exist? 1Light is one form of energy that travels in electromagnetic waves. Instructions: Read the descriptions to the left and answer each question on the right. Allows some light to go through, but some is also absorbed or reflected. Light Readings • Andrew Glassner, Principles of Digital Image Synthesis (Vol. Depending on the type of matter it comes into contact with, light will behave. Reflection Reflection when a wave strikes an object and bounces off 3. Today scientists say light is a form of, energy made of photons. hެ�m��8���?��D��8q� At any point on the path of a simple harmonic light wave the strengths of the electric and magnetic fields are continually changing. 1), Morgan Kaufmann Publishers, 1995, pp. Light has no mass and is not really considered matter. Other types of electromagnetic radiation include gamma rays, x-rays, ultraviolet light, infrared light, microwaves, and radio waves. Light is also found on the Electromagnetic spectrum as visible light. through objects such as solids or liquids. Medium Speed (m/s) Refractive index Vacuum 3 x 108. These objects are called translucent objects. Properties of Light.pdf - Instructions:\u200b Read the descriptions to the left and answer each question on the right Property Description Light Overall. light, we would be unable to see anything! 5-32. This energy is both (1) magnetic and electrical. This energy is both magnetic and electrical. 0 View Homework Help - Properties of Light.pdf from SCIENCE 101 at South Central High School. The speed of light will change as it passes through different substances. Our eyes interpret these wavelengths as different colors. Light Readings • Andrew Glassner, Principles of Digital Image Synthesis (Vol. Physical properties of light Light consists of photons — “particles” with no mass which travelatthespeedoflight. The information is based on many laboratory studies and records of a large number of existing structures that have provided satisfactory service for more than 85 years. Property SCIENCE 74722. properties of light.pdf - Dr Weil\u2019s shortucts both on top do the same one on top and one on bottom do the opposite F = gm1m2\/d2 = newtons gravity law. The optical properties depend on the manner that visible light is transmitted … Of, course it does! Speed of light depends on media. Physicists now recognize that light sometimes behaves like waves and, at other times, like particles. When moving from place to place, light acts like a system of waves. Reflection incident ray reflected ray Normal Surface 4. First, we will examine the wavelike properties of light. Sometimes light will pass directly through the matter, like with air or water. by Ted Adelson Properties of light Today • What is light? h�b```f``���Y cf`a��u�h���A!eo�ZS �M�{�O(�c����2)��������6?�3���i ���:pN,A�@��9�"@��1g����˗�A��Hؙ�%x3�f�n vc`I.��9 Q�0 Introduction to Light Light is a form of radiant energy or energy that travels in waves. In empty space, light has a Read the descriptions to the left and answer each question on the right. Theyhaveenergy,andonemeasure of this energy is the “wavelength” of the light. - Dr. Weil’s shortucts: both on top do the same one on top and one on bottom do the opposite F = gm1m2/d2 = newtons This type of matter is called transparent. There are many different types of electromagnetic (EM) waves. This preview shows page 1 - 2 out of 4 pages. Kami Export - Rishawna Mitchener - Interference.pdf, 8.2.1 - Lesson Map - Reflection and Refraction of Light, Central Algoma Secondary School • SCIENCE 436, Rockdale County High School • SCIENCE 101, Brandon Valley High School - 01 • SCIENCE 03151. • Watt & Policarpo, The Computer Image, Addison-Wesley, 1998, pp. This confusion about the true nature of light continued for some years till a modern quantum theory of light emerged in which light is neither a ‘wave’ nor a ‘particle’ – the new theory reconciles the particle properties of light … A particle and a, wave 2there are many different types of electromagnetic ( EM ) waves answer question. Completely reflect light, we will examine the wavelike properties of light light consists of —. Of a simple harmonic light wave the strengths of the light answer Key light is also absorbed or reflected andonemeasure. Allows almost all light to go through, but some is also found on the type of radiation... 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