Measuring Speed of Sound

Measuring the speed of sound can be done using several methods. The following makes use of the understanding of stationary waves in pipes with one closed end. Such a pipe will have a fundamental mode that looks like this: https://physicslens.com/measuring-speed-of-sound/Follow

RSS
Follow by Email
Facebook
Facebook
Google+
https://physicslens.com/measuring-speed-of-sound/
Instagram

Hanging Forks

This simple demonstration can be done anywhere at home using the following items: an empty glass a toothpick two forks The video below demonstrates how to do it. When the forks are balanced on the mouth of the glass with the toothpick, the centre of gravity of the forks-and-toothpick system will adjust itself so that

Continue reading Hanging Forks

RSS
Follow by Email
Facebook
Facebook
Google+
https://physicslens.com/hanging-forks/
Instagram

Cartesian Diver

Ever wondered how a submarine sinks and floats? The demonstration here can be used to explain the changes in forces involved and is going to impress most people who see it for the first time. It consists of a floating object inside a sealed plastic bottle that sinks when the bottle is given a tight

Continue reading Cartesian Diver

RSS
Follow by Email
Facebook
Facebook
Google+
https://physicslens.com/cartesian-diver/
Instagram