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PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoTake a rubber band. Put it around the longer side of a pencil box. Insert two pencils between the box and the stretched rubber. Now, pluck the rubber band somewhere in the middle. Do you hear any sound? Does the band vibrate?
![YCUZD_230308_5070_sound_CBSE8_3.png](https://resources.cdn.yaclass.in/eb326713-66a5-4872-9231-58c374a82580/YCUZD2303085070soundCBSE83w300.png)
, we the sound when the rubber band is plucked. The band in a vibratory manner.
Thus, sound by all vibrating objects.
Important!
This is an activity-based exercise. Do the activity and answer questions.