VCE Together Year 12 Physics: Young's Double Slit Experiment

#### Physics

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# Young’s Double Slit Experiment

This lesson is on Young’s Double Slit Experiment, which is part of Unit 4 Area of Study 1 for VCE Physics.

### Overview of Young’s Double Slit Experiment

This was an experiment used to determine if the light was a particle or wave.

The following formula is used when solving double slit problems.

• λ = wavelength of light used (m)
• x = distance from central fringe (m)
• d = distance between the slits (m)
• n = the order of the fringe
• L = length from the screen with slits to the viewing screen (m)
\lambda = \frac{xd}{nL}   \lambda = d \frac{sin(\theta)}{n}

This video will explain the experiment.

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