Wave diffraction experiment
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Wave diffraction experiment
Wave diffraction experiment. Waves in a ripple tank passing through an aperture, demonstrating the principle of diffraction. Plane waves are generated on the surface of the water at bottom. When these waves pass through a large aperture (lower centre), they change shape and form flattened concentric waves (upper frame) centred on the aperture. The amount by which the waves change shape depends on the size of the aperture. Diffraction is greatest when the aperture size is similar to the wavelength. This is seen in A180/225, where waves of the same wavelength as seen here are passing through a smaller aperture. Applications of diffraction include gaps used to focus and spread sound and radio waves
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Media ID 6284081
© ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY
Aperture Class Room Demonstrating Diffracting Diffraction Education Educational Experiment Experimental Experimenting Flat Frequency Large Liquid Orange Plane Properties Property Ripples School Single Slit Spread Spreading Wave Wavelength Waves Laboratory Physical
EDITORS COMMENTS
This print captures a mesmerizing wave diffraction experiment in action. In a school laboratory, a ripple tank filled with liquid becomes the stage for an educational demonstration of the principle of diffraction. At the bottom surface of the water, plane waves are generated and sent forth towards a large aperture positioned at the lower center. As these waves pass through the aperture, their shape undergoes a fascinating transformation. The once uniform and flat waves now form concentric patterns that radiate outwards from the center of the aperture, creating an enchanting visual spectacle. The extent to which this change occurs depends on the size of the aperture itself – larger apertures result in more pronounced diffraction effects. The significance of this experiment lies in its ability to showcase how diffraction works when applied to real-world scenarios. By observing how waves behave when passing through different-sized openings, students gain valuable insights into various properties such as wavelength and frequency. Beyond its educational value, diffraction finds practical applications in our daily lives. From gaps used to focus or spread soundwaves to radio signals being manipulated for better reception, understanding and harnessing this phenomenon is crucial across multiple fields including physics and engineering. Science Photo Library has masterfully captured this experimental moment where science meets artistry – showcasing both beauty and knowledge within a single frame.
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