As we know that
Fraunhofer Single Slit
The water changes the wavelength of the light to 725 . 10^–9 / 1.33 = 545.112782 nm
y (for third dark fringe)/D = theta = m*lambda/d
y (for third dark fringe)/D = theta =
1. n=3,
(n-0.5)λ= d*Sinθ
Sinθ= (n-0.5)*λ/d = (3-0.5)545.112782 * 10^-9 /1.6 * 10^-5 = 0.085173872
θ= 4.886023271 degrees
Light of wavelength 725 nm in vacuum is incident on a single slit whose width is...
Light with a wavelength of λ = 674 nm. is incident on a single slit of width w = 1.5 micrometers. A screen is located L = 0.95 m behind the slit and an interference pattern has formed on it. What is the distance between the central bright spot and the first dark fringe, D, in meters?
In a Young's double-slit experiment the wavelength of light used is 485 nm (in vacuum), and the separation between the slits is 1.5 × 10-6 m. Determine the angle that locates (a) the dark fringe for which m = 0, (b) the bright fringe for which m = 1, (c) the dark fringe for which m = 1, and (d) the bright fringe for which m = 2.
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1) In a Young’s double-slit experiment, the wavelength of the light used is 520 nm (in vacuum), and the separation between the slits is 1.43 × 10−6 ? . Determine the angle that locates a) the dark fringe for which m = 0, b) the bright fringe for which m = 1, c) the dark fringe for which m = 1, d) the bright fringe for which m = 2.
Light of wavelength 429 nm (in vacuum) is incident on a diffraction grating that has a slit separation of 1.2 × 10-5 m. The distance between the grating and the viewing screen is 0.10 m. A diffraction pattern is produced on the screen that consists of a central bright fringe and higher-order bright fringes (see the drawing). (a) Determine the distance y from the central bright fringe to the second-order bright fringe. (Hint: The diffraction angles are small enough that...