Measuring Wavelength of Light with a Double Slit PRACTICAL A Level Physics

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http://youtube.com/watch?v=RrxExL84M98

In this video I go through an AQA Physics A Level Required Practical that uses a double slit experiment to investigate the properties and to measure the wavelength of light. (This is AQA Required Practical 2.) • A laser will diffract and interfere when shone through a double slit. A series of dark and bright fringes can be measured on a screen which will then allow you to calculate the wavelength of light. Be careful with the laser. Do not look at the beam or any reflected light from a shiny surface. • See instructions for all the practicals at http://www.alevelphysicsonline.com/ye... • Thanks for watching, • Lewis • • _____________________________________ • MY PHYSICS WEBSITES • Find even more videos organised by exam board and topic at: • GCSE Physics Online • ► https://www.gcsephysicsonline.com • A Level Physics Online • ► https://www.alevelphysicsonline.com • MY YOUTUBE CHANNEL • Your support in watching this video has been invaluable! To contribute towards the free videos on YouTube, make a small donation at: • ► https://www.paypal.me/physicsonline • FOLLOW ME • ► https://www.youtube.com/physicsonline... • ► / physicsonline • ► / gcseandalevelphysicsonline • #wavelengths #alevelphysics #physicsonline

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