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...
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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