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What machine is used to measure sound waves?
what machine can be used to measure sound waves
What does sound waves play a role in your daily life?
ahhh well if there was no such thing as sound waves everyone would ahh be deaf!
Why can you not hear the echo if you stand 20 meter away and shout towards it?
You are too close to the surface from which the sound waves are reflected. As a result you brain cannot distinguish between the original sound waves and the reflexted sound waves (the echo).
Why do acoustics need trigonometry?
When people are taught trigenometry in school it is usually just for finding the angles of a triangle. But the sine and cosine functions are actually waves if you were to draw them on a graph. Acoustics is sound waves, and by mapping sound waves into trigonometric waves we can do calculations on them like addition.
What is the Unit of measurement for sound?
Sound waves are basically mechanical waves. i.e they require a medium to pass.The Unit of measurement for Sound is actually dependent upon what physical feature of sound do you wish to measure. The most commonly used units used are dB (decibel) and Hz (hertz).
