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PHYS 1260 Exam 4 ECU Questions With Solutions

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PHYS 1260 Exam 4 ECU Questions With Solutions Light from two closely spaced stars cannot produce a steady interference pattern due to incoherence In the double slit experiment, fringes are more widely spaced when illumination is with monochromatic (single color) longer wavelength light When...

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  • July 11, 2024
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  • 2023/2024
  • Exam (elaborations)
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  • Physics 1260
  • Physics 1260
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PHYS 1260 Exam 4 ECU Questions With Solutions



Light from two closely spaced stars cannot produce a steady interference pattern due to

incoherence




In the double slit experiment, fringes are more widely spaced when illumination is with

monochromatic (single color) longer wavelength light




When waves from a pair of closely spaced slits arrive in phase a bright fringe is produced




Interference colors in a soap bubble is evidence that the soap film has two reflecting

surfaces and thin [both of these]




In wave optics we make a distinction between coherent and incoherent sources of light.




An incoherent source of light lacks a specific direction and has a relatively large Δf.




A coherent source of light has a specific direction with a much smaller Δf.

, PHYS 1260 Exam 4 ECU Questions With Solutions

A household light bulb is a/an incoherent source of visible radiation.




A laboratory laser is a/an coherent source of visible radiation.




Will you have a coherence over a time interval 10^-6 s for light? a stabilize Ne-He laser




A wave with a longer coherence length is closer toa perfect sinusoidal wave




If you have two waves and they are in phase Their amplitudes adds and you get a bright

fringe.




Rainbow *dispersion* of sunlight into a continuous distribution of colors according to

wavelength, produced by the refraction and reflection of sunlight by water droplets in the sky




According to the special theory of relativity, while traveling at a very high speed your pulse rate

remains unchanged

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