sound has energy (EXPERIMENT )
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Answer:
Sound energy is produced when an object vibrates. The sound vibrations cause waves of pressure that travel through a medium, such as air, water, wood or metal. Sound energy is a form of mechanical energy. Sound waves are able to vibrate the diaphragm inside our ears .
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Answer:
how to find energy of sound
apparatus:
speaker,cover,cornflour,water,
precautions :
do it carefully as water can flow into speaker
check cover whether it is good or not
proccedure:
start speaker with some sound
and turnoff
now place cover on speaker
mix cornflour and water and place mixture on cover
turn on the speaker
observation:
you observe that mixture is dancing
conculusion:
by this experiment we say that sound has energy
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