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Biology, 25.09.2020 14:01 squawk1738

A teacher was having her students explore if the pitch of a soundwave could be changed using the same object. The teacher gave her students some rubber bands that were all the same length and thickness. She then asked her students to stretch the rubber bands across some nails in a board shown in the illustration below. She then asked the students to pluck each string like a guitar and observe the type of sound each rubber band made

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