Question

3 – Single Slit Diffraction Diffraction is basically interference of light with itself which occurs when peculiar physical conditions are satisfied. The diffraction pattern has different proprieties than the interference patter and both might be present at the same time. When light of wavelength ? passes through one slit of width a the pattern for the the intensity of light on a screen located at a distance L from the slit is y2 sin ?dark = 2? / a y1 sin ?dark = ? / a ? a 0 -y1 sin ?dark = -? / a L -y2 sin ?dark = -2? / a location of the minima is given as m? = a sin ? m = 1,2,3,... In the approximation of small values of ?, the equation above provides the locations of the minima on the the y - axis y min = ? L / a m m = 1,2,3,... There is not a similar equation to describe the locations of the maxima. A central maximum is located at the center, the others are about half-way between two minima. The width of the central maximum is twice as much of the other maxima.

          3 – Single Slit Diffraction
Diffraction is basically interference of light with itself which occurs when peculiar physical conditions are satisfied. The diffraction pattern has different proprieties than the interference patter and both might be present at the same time. When light of wavelength ? passes through one slit of width a the pattern for the the intensity of light on a screen located at a distance L from the slit is
y2 sin ?dark = 2? / a
y1 sin ?dark = ? / a
?
a
0
-y1 sin ?dark = -? / a
L
-y2 sin ?dark = -2? / a
location of the minima is given as
m? = a sin ? m = 1,2,3,...
In the approximation of small values of ?, the equation above provides the locations of the minima on the the y - axis
y min = ? L / a m m = 1,2,3,...
There is not a similar equation to describe the locations of the maxima. A central maximum is located at the center, the others are about half-way between two minima. The width of the central maximum is twice as much of the other maxima.

$3 – Single Slit Diffraction Diffraction is basically interference of light with itself which occurs when peculiar physical conditions are satisfied. The diffraction pattern has different proprieties than the interference patter and both might be present at the same time. When light of wavelength ? passes through one slit of width a the pattern for the the intensity of light on a screen located at a distance L from the slit is y2 sin ?dark = 2? / a y1 sin ?dark = ? / a ? a 0 -y1 sin ?dark = -? / a L -y2 sin ?dark = -2? / a location of the minima is given as m? = a sin ? m = 1,2,3,... In the approximation of small values of ?, the equation above provides the locations of the minima on the the y - axis y min = ? L / a m m = 1,2,3,... There is not a similar equation to describe the locations of the maxima. A central maximum is located at the center, the others are about half-way between two minima. The width of the central maximum is twice as much of the other maxima.$

Added by Scott W.

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