affiliates-manager domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/gyanproc/public_html/stem/wp-includes/functions.php on line 6114masterstudy-lms-learning-management-system domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/gyanproc/public_html/stem/wp-includes/functions.php on line 6114masterstudy-lms-learning-management-system-pro domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/gyanproc/public_html/stem/wp-includes/functions.php on line 6114hustle domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/gyanproc/public_html/stem/wp-includes/functions.php on line 6114Interactive Science exhibits, ideated and fabricated to inclucate and invigorate the young minds about Science !!
Hammer each tube and observe the sound produced.
What did you observe?
Sound produced from each tube is different.
The science behind it :
When the tube is hammered, standing waves are formed inside it. Due to difference in the length of tubes, sound of different pitch is produced.
