) A Michelson interferometer uses light whose wavelength is known to be 602.446 nm. Mirror M2 is slowly moved while exactly 33,198 bright-dark-bright fringe shifts are observed. What distance has M2 moved? Be sure to give your answer to an appropriate number of significant figures.

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Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?