Payal Priya
Birsa Institute of Technology (BIT), Sindri
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## < 11 Other formulas that you can solve using the same Inputs

Diagonal of the parallelogram when sides and cosine β are given
Diagonal 1=sqrt((Side A)^2+(Side B)^2-2*Side A*Side B*cos(Theta)) GO
Diagonal of the parallelogram when sides and cosine β are given
Diagonal 2=sqrt((Side A)^2+(Side B)^2+2*Side A*Side B*cos(Theta)) GO
The radius of the circumscribed circle in terms of cosine of the angle that adjacent to the diagonal and the adjacent side of
Diagonal of a parallelogram when the area, diagonal, and angles between diagonals are given
Diagonal A=(2*Area)/(Diagonal B*sin(Theta)) GO
Angle between the rectangle diagonals when angle between the diagonal and rectangle side is given
Angle Between Two Diagonals=2*Theta GO
Area of rectangle in terms of sine of the acute angle between the diagonals and the diagonal of a rectangle
Area=((Diagonal)^2*sin(Theta))/2 GO
Breadth of rectangle when diagonal and angle between diagonals are given
Rectangle diagonal in terms of cosine of the angle that adjacent to the diagonal and the adjacent side of the angle
Rectangle diagonal in terms of sine of the angle
Diagonal=Length/sin(Theta) GO
Side of the parallelogram when the height and sine of an angle are given
Side A=Height/sin(Theta) GO
Side of the parallelogram when the height and sine of an angle are given
Side B=Height/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 for constructive interference in Young’s double-slit experiment
Path Difference=(Distance between two coherent sources*Distance from center to the light source)/Distance between slits and screen 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 in Young's double-slit experiment Formula

Path Difference=Distance between two coherent sources*sin(Theta)
More formulas
Resultant intensity of coherent sources GO
Path difference in Young's double-slit experiment GO
Fringe Width GO
Path difference for constructive interference in Young’s double-slit experiment 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

## What is Young's double-slit experiment ?

Young’s double-slit experiment uses two coherent sources of light placed at a small distance apart, usually, only a few orders of magnitude greater than the wavelength of light is used. Young’s double-slit experiment helped in understanding the wave theory of light. A screen or photodetector is placed at a large distance ’D’ away from the slits .

## Why path difference is created between two coherent sources? How path difference is calculated?

The wave reaching light source from the second coherent source must travel a longer path than the wave reaching light source from the first coherent source. It is calculated by formula Δp = dsinθ where d is the distance between two coherent sources and sinθ is the angle from the center of the slits to the light source or photodetector.

## How to Calculate Path difference in Young's double-slit experiment?

Path difference in Young's double-slit experiment calculator uses Path Difference=Distance between two coherent sources*sin(Theta) to calculate the Path Difference, Path difference in Young's double-slit experiment is because the wave reaching light source from the second coherent source must travel a longer path than the wave reaching light source from the first coherent source. Path Difference and is denoted by k symbol.

How to calculate Path difference in Young's double-slit experiment using this online calculator? To use this online calculator for Path difference in Young's double-slit experiment, enter Theta (ϑ) and Distance between two coherent sources (d) and hit the calculate button. Here is how the Path difference in Young's double-slit experiment calculation can be explained with given input values -> 0.05 = 0.1*sin(30).

### FAQ

What is Path difference in Young's double-slit experiment?
Path difference in Young's double-slit experiment is because the wave reaching light source from the second coherent source must travel a longer path than the wave reaching light source from the first coherent source and is represented as k=d*sin(ϑ) or Path Difference=Distance between two coherent sources*sin(Theta). Theta is an angle that can be defined as the figure formed by two rays meeting at a common endpoint and 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.
How to calculate Path difference in Young's double-slit experiment?
Path difference in Young's double-slit experiment is because the wave reaching light source from the second coherent source must travel a longer path than the wave reaching light source from the first coherent source is calculated using Path Difference=Distance between two coherent sources*sin(Theta). To calculate Path difference in Young's double-slit experiment, you need Theta (ϑ) and Distance between two coherent sources (d). With our tool, you need to enter the respective value for Theta and Distance between two coherent sources 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 Theta and Distance between two coherent sources. 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*Distance from center to the light source)/Distance between slits and screen
• Path Difference=Number*Wavelength
• Path Difference=(2*Number-1)*Wavelength/2
• Path Difference=(2*Number+1)*Wavelength/2
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