and in terms of whether it is electromagnetic or mechanical. Next‚ you will need a wide pan of water. Repeatedly dip your finger into the water to make a circular wave on the surface. What happens to the wavelength if you dip your finger more frequently? Describe what happens to wavelength as the frequency increases. Do not submit this journal entry yet. You will submit all of your journal entries at the end of this unit. Date your entry and save
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spectrum of wavelengths and photon energy is called the electromagnetic spectrum. There are 7 different types of waves in an electromagnetic spectrum; radio waves‚ microwaves‚ infrared waves‚ visible light‚ ultraviolet waves‚ x-rays and gamma rays. Each of these categories contains different type of waves‚ which varies in wavelength and photon energy‚ which is the units in which electromagnetic radiation come in. Figure 1. An Electromagnetic Spectrum shows the different wavelengths and photon energies
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July 28st‚ 2014 Lab #10 Properties of Light Purpose: The ideal purpose of this lab activity is to investigate the relationship between the frequency of the light (color) and the energy produced by different colors of light. Other purposes of this experiment include calculating the proper current for each LED‚ measuring the evaporation rate of rubbing alcohol‚ and being able to discuss the outcome of the relationship in light energy and the color of the light producing the energy. Materials:
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experiment spinach‚ DPIP‚ phosphate solutions were placed under various filters and the percent orange light transmittance through the solution was measured to determine the rate of photosynthesis. This experiment was set up to discover how different wavelengths of light affect the rate of photosynthesis in a spinach‚ DPIP‚ phosphate solution. I proposed that the spinach‚ DPIP‚ phosphate solution under no filter‚ and therefore exposed to all light will have a highest percent orange light transmittance and
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Multiple Choice Questions (2*20 points) 1. What are the objectives of information extraction from remotely sensed data? A. Identification of similar pixels. B. Grouping of thematic information. C. Interpretation using prior knowledge. D. Making sense of geographic patterns. E. All of the above. 2. Principal components analysis is associated with which of the following? A. Data reduction. B. Training samples. C. Components and Eigenvectors. D. A and C. E. A‚ B and C. 3. What are
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Wavelength: the distance between a point on one wave and the same point on the next cycle of the Frequency: the number of complete cycles in a given time The Doppler Effect: a change in sound frequency caused by the motion of the sound source‚ motion
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the light ray strikes the surface. Visible light is also refracted by Refraction is the bending of a wave when it enters a medium where its speed is different. lectromagnetic radiation in this range of wavelengths is called visible light or simply light. A typical human eye will respond to wavelengths from about 390 to 700 nm. In terms of frequency‚ this corresponds to a band in the vicinity of 430-770
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Danielle Silverstein PHY 101 Section 10497 March 4‚ 2013 Light up this World Purpose: In this lab experiment‚ LED lights will be used to show how when E&M radiation is absorbed‚ the energy is converted to heat. A drop of isopropyl alcohol will absorb light energy of different colors‚ and the evaporation rate of the alcohol will be measured. The key to this lab is the evaporation rate is directly related to the energy of the light shining on the drop. Materials: * * LEDs
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Coastal Processes and Landforms Constructive Waves - Swell or surging waves created by distant storms (low frequency (6-8/minute); long wavelength (up to 100m); low flatter waves (<1m); low energy and stronger swash than backwash Destructive Waves - Storm or plunging waves created by local winds / storms (high frequency (10-12/minute); short wavelength (<20m); high steep wave (>1m); high energy and backwash stronger than swash Fetch - the distance over which wind has blown (i.e. distance
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Beer’s Law Lab Report Abstract: The Beer’s law lab was conducted to determine the optimal wavelength of Co(NO3)2·6H2O with the use of spectrometry. The results determined that the optimal wavelength to study the absorbance of this salt was 500nm. It also demonstrated how transmittance of light and absorbance of light are inversely proportional because absorbance is calculated by multiplying transmittance by a negative log. Introduction: When one is studying chemicals‚ there are many important
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