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Get Full Access to College Physics For Ap® Courses - 1 Edition - Chapter 21 - Problem 62
Get Full Access to College Physics For Ap® Courses - 1 Edition - Chapter 21 - Problem 62

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# Suppose you want to measure resistances in the range from 10.0 to 10.0 k using a

ISBN: 9781938168932 372

## Solution for problem 62 Chapter 21

College Physics for AP® Courses | 1st Edition

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Problem 62

Suppose you want to measure resistances in the range from 10.0 to 10.0 k using a Wheatstone bridge that has R2 R1 = 2.000 . Over what range should R3 be adjustable?

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• 17.1 what is light 3 models ‣ Wave model-light travels in wave like patterns • Known as wave optics ‣ Ray model • Light travels in a straight line ‣ Photon model • Light consists of photons that have both wavelike and particle like properties The propagation of light waves ‣ Spreading of waves is called diﬀraction • Waves spread out from the opening rather than continuing in a straight line ‣ Wavelength of light is short ‣ How far a light wave spreads out depends on the size of the objects with which the wave interact ‣ Light has a dual nature • sometimes it looks like a wave while other times it looks like it acts like a particle • Principle of complementarity: wave and particle aspects of light are fundamental to its nature Light is an electromagnetic wave ‣ due to the rapid oscillations and magnetic ﬁelds ‣ Do not require a material medium to travel • because of this they are NOT mechanical waves ‣ Travel in a vacuum at the speed of light ‣ Prisms spread out the diﬀerent wavelengths of light which in turn results in WHITE light because the colors or wavelengths have combined • The colors that are seen are considered part of the visible spectrum ‣ Particles of light are called photons ‣ Can have any wavelength Ind

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