when a tuning fork vibrates over an open pipe and the air in the pipe starts to vibrate, the vibrations in the tube are caused b
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To solve this problem we use an amplification formula for divergent lenses
Where:
i: distance of the image to the lens
o: Distance from the object to the lens
h = height of the object
h '= height of the image
h '= 6 mm
The height is 6 mm