Draw and label diagrams showing how the following photos were taken: 1 3 2 4 Objective: Students will be able to create and modify models of how light moves Intro Light is a form of energy that can travel through space at a rate of 299,800,000 m/s. Humans can see light that has a wavelength of 380-700 nanometers (nm). We call this "visible light" although some animals can see outside this range. When electrons in atoms are "excited" then return to a less excited state, they release energy in the form of light. Things that can excite electrons include absorbing a photon, or colliding with another nearby atom. Releasing light is called "emission." Once light is emitted, it travels in a straight line until it hits an object or medium. When light hits an object or medium, the object or medium can: Transmit light light goes straight through Reflect light light bounces off the surface • Refract light light bends as it passes through the surface Diffract light light is spread as it passes through a small opening • Scatter light light is reflected in different directions (blue sky / orange sun) • Absorb light - light hits the surface and is transferred into another form of energy • Or any combination of the terms above. Link to NASA's page on wave behavior We will use our knowledge about how light can move to diagram several photographs BY HAND. Stick figures are OK. The important parts are showing how light moves in a straight line, and labeling the interaction when it hits an object.
Draw and label diagrams showing how the following photos were taken: 1 3 2 4 Objective: Students will be able to create and modify models of how light moves Intro Light is a form of energy that can travel through space at a rate of 299,800,000 m/s. Humans can see light that has a wavelength of 380-700 nanometers (nm). We call this "visible light" although some animals can see outside this range. When electrons in atoms are "excited" then return to a less excited state, they release energy in the form of light. Things that can excite electrons include absorbing a photon, or colliding with another nearby atom. Releasing light is called "emission." Once light is emitted, it travels in a straight line until it hits an object or medium. When light hits an object or medium, the object or medium can: Transmit light light goes straight through Reflect light light bounces off the surface • Refract light light bends as it passes through the surface Diffract light light is spread as it passes through a small opening • Scatter light light is reflected in different directions (blue sky / orange sun) • Absorb light - light hits the surface and is transferred into another form of energy • Or any combination of the terms above. Link to NASA's page on wave behavior We will use our knowledge about how light can move to diagram several photographs BY HAND. Stick figures are OK. The important parts are showing how light moves in a straight line, and labeling the interaction when it hits an object.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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