Moving mirror M₂ of a Michelson interferometer a distance of 100 um causes 500 bright-dark-bright fringe shifts. What is the wavelength of the light?
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- Two coherent EM waves have amplitudes of E0 and 0.770 E0. What is the resulting amplitude when they interfere destructively?Light waves, for which the electric field is given by Ey(x,t) =Emaxin|(2x107m-1)x-wt], pass through a slit and produce the first dark bands at ‡30• from the center of the diffraction pattern. What is the frequency of this light? How wide is the slit? At which positive angle will the next dark band occur?You measure three segments of the distance between a diffraction slit an the screen on which the pattern forms: x1 = (15.8 ± 0.2) cm, x2 = (6.7 ± 0.1) cm, and x3 = (11.3 ± 0.1). What is the uncertainty of the total distance x1 + x2 + x3? Group of answer choices 0.4 cm 0.5 cm 0.2 cm 0.3 cm 0.1 cm
- Newton's rings are observed on a film with quasi-monochromatic light that has a wavelength of 550 nm. If the 20th bright ring has a radius of 1.00 cm, what is the radius of curvature of the lens forming one part of the interfering system?A thin film with an index of refraction of 1.50 is placed in one of the beams of a Michelson interferometer. If this causes a shift of 8 bright fringes in the pattern produced by light of wavelength 480 nm, what is the thickness of the film?How far must the mirror in a Michelson interferometer be moved if 680 fringes of 589-nm light are to passby a reference line?
- A grating diffracts a green light at 520 nm with 3000 lines/cm. Through what angle is the light diffracted in the first order?Two slits, 0.5 mm apart are placed at a distance of 1.5 meters from a screen. Light of 300nm illuminates the two slits and an interference pattern is observed on the screen. What is the distance between the central bright spot and the first bright spot on either side?What is the distance, in meters, between two parallel plates when a ray with a wavelength of 490 nm is placed through the slit and the third maximum was at a 0.52°?