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subject: sound and light [print this page]

sound and light
sound and light

SOUND WAVES AND LIGHT

Sometimes when you listen to the beat of a drum you hear the steady

vibration. sound comes from diferent places,objects and produce different

sounds and vibration. but what happens when this vIbration enters you

you fill some vibration inside your body that's called [SOUND WAVES.

PROPERTIES OF SOUND WAVES.

when a drummer or musician hits a drum or sing the waves vibrates up

and down.

There are two different types of waves called longitudiunal waves in which

particles of air vibrates in same dirrections the waves travels.

the waves carry high energy through a medium also when the sound waves

enters your eardrum this causes your eardrum to vibrate.

other objects cause diferent sound and waves but the medium carries the motion.

if you stand 2 feet away from an ambulance truck it may seem the ambulance

is right behind you bu if you are an inche away it seems you are very far that is

sound wave.

loudness is determined by intensity.{level,degree}

MUSICAL INSRUMENTS RELY ON SOUND WAVES

I remember when i go to church our pianonist do play reagea jungle whenever he

plays this sound it vibrates in my eardrum this mean the piano wave travels in far distance

with a ultrasound.

when a drummer or musician hits a drum or sing the waves vibrates up

and down.

There are two different types of waves called longitudiunal waves in which

particles of air vibrates in same dirrections the waves travels.

the waves carry high energy through a medium also when the sound waves

enters your eardrum this causes your eardrum to

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