Payal Priya
Birsa Institute of Technology (BIT), Sindri
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## < 6 Other formulas that you can solve using the same Inputs

Path difference in Young's double-slit experiment
Path Difference=sqrt((Distance from center to the light source+(Distance between two coherent sources/2))^2+(Distance between slits and screen)^2)-sqrt((Distance from center to the light source-(Distance between two coherent sources)^2)+(Distance between slits and screen)^2) GO
Distance from center to a light source for destructive interference in YDSE
Distance from center to the light source=((2*Number-1)*Wavelength*Distance between slits and screen)/(2*Distance between two coherent sources) GO
Distance from center to a light source for constructive interference in YDSE
Distance from center to the light source=(Number*Wavelength*Distance between slits and screen)/Distance between two coherent sources GO
Optical path difference
Optical path difference=(Refractive Index-1)*Distance between slits and screen/Distance between two coherent sources GO
Fringe Width
Fringe Width=(Wavelength*Distance between slits and screen)/Distance between two coherent sources GO
Path difference in Young's double-slit experiment
Path Difference=Distance between two coherent sources*sin(Theta) GO

## < 6 Other formulas that calculate the same Output

Path difference in Young's double-slit experiment
Path Difference=sqrt((Distance from center to the light source+(Distance between two coherent sources/2))^2+(Distance between slits and screen)^2)-sqrt((Distance from center to the light source-(Distance between two coherent sources)^2)+(Distance between slits and screen)^2) GO
Path difference in Young's double-slit experiment
Path Difference=Distance between two coherent sources*sin(Theta) GO
Path difference for minima in Young’s double-slit experiment
Path Difference=(2*Number-1)*Wavelength/2 GO
Path difference for minima in Young’s double-slit experiment
Path Difference=(2*Number+1)*Wavelength/2 GO
Path difference of two progressive wave
Path Difference=(2*pi)/Wavelength GO
Path difference in YDSE when λ is given
Path Difference=Number*Wavelength GO

### Path difference for constructive interference in Young’s double-slit experiment Formula

Path Difference=(Distance between two coherent sources*Distance from center to the light source)/Distance between slits and screen
More formulas
Resultant intensity of coherent sources GO
Path difference in Young's double-slit experiment GO
Path difference in Young's double-slit experiment GO
Fringe Width GO
Path difference in YDSE when λ is given GO
Distance from center to a light source for constructive interference in YDSE GO
Path difference for minima in Young’s double-slit experiment GO
Path difference for minima in Young’s double-slit experiment GO
Distance from center to a light source for destructive interference in YDSE GO
Distance from center to a light source for destructive interference in YDSE GO
Resultant intensity on-screen of Young's double-slit experiment GO
Resultant intensity on-screen of YDSE when intensities are different GO

## How is path difference of constructive interference in Young’s double-slit experiment calculated ?

Path difference for constructive interference is calculated by using , Δp = dy/D = nλ where n = 0,1 ,-1,2,-2...... Here n=0 corresponds to the central maxima , n=1, -1 corresponds to the 1st maxima and n = 2, -2 corresponds to the 2nd maxima and so on.

## How to Calculate Path difference for constructive interference in Young’s double-slit experiment?

Path difference for constructive interference in Young’s double-slit experiment calculator uses Path Difference=(Distance between two coherent sources*Distance from center to the light source)/Distance between slits and screen to calculate the Path Difference, Path difference for constructive interference in Young’s double-slit experiment is when the path difference is equal to zero or an integral multiple of the wavelength when the arriving wavelengths are exactly in phase. Path Difference and is denoted by k symbol.

How to calculate Path difference for constructive interference in Young’s double-slit experiment using this online calculator? To use this online calculator for Path difference for constructive interference in Young’s double-slit experiment, enter Distance between two coherent sources (d), Distance from center to the light source (y) and Distance between slits and screen (D) and hit the calculate button. Here is how the Path difference for constructive interference in Young’s double-slit experiment calculation can be explained with given input values -> 0.01 = (0.1*0.02)/0.2.

### FAQ

What is Path difference for constructive interference in Young’s double-slit experiment?
Path difference for constructive interference in Young’s double-slit experiment is when the path difference is equal to zero or an integral multiple of the wavelength when the arriving wavelengths are exactly in phase and is represented as k=(d*y)/D or Path Difference=(Distance between two coherent sources*Distance from center to the light source)/Distance between slits and screen. Distance between two coherent sources is the length at which both coherent sources are placed.Two sources that vibrate with a fixed phase difference between them are said to be coherent, Distance from center to the light source is the length from the center of the slit to the light source and Distance between slits and screen or photodetector is the large distance at which the slits and screen in Young's double-slit experiment.
How to calculate Path difference for constructive interference in Young’s double-slit experiment?
Path difference for constructive interference in Young’s double-slit experiment is when the path difference is equal to zero or an integral multiple of the wavelength when the arriving wavelengths are exactly in phase is calculated using Path Difference=(Distance between two coherent sources*Distance from center to the light source)/Distance between slits and screen. To calculate Path difference for constructive interference in Young’s double-slit experiment, you need Distance between two coherent sources (d), Distance from center to the light source (y) and Distance between slits and screen (D). With our tool, you need to enter the respective value for Distance between two coherent sources, Distance from center to the light source and Distance between slits and screen and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Path Difference?
In this formula, Path Difference uses Distance between two coherent sources, Distance from center to the light source and Distance between slits and screen. We can use 6 other way(s) to calculate the same, which is/are as follows -
• Path Difference=(2*pi)/Wavelength
• Path Difference=sqrt((Distance from center to the light source+(Distance between two coherent sources/2))^2+(Distance between slits and screen)^2)-sqrt((Distance from center to the light source-(Distance between two coherent sources)^2)+(Distance between slits and screen)^2)
• Path Difference=Distance between two coherent sources*sin(Theta)
• Path Difference=Number*Wavelength
• Path Difference=(2*Number-1)*Wavelength/2
• Path Difference=(2*Number+1)*Wavelength/2
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