1. How is sound produced?
2. In which phase of matter (wolid, liquid or ens) does sound travel bout? Why?
3. What are the factors that affect the speed of sound?
4. How do you relate the following?
a Frequency and pitch of sound
b. Amplitude and loudness of sound
2. In which phase of matter (wolid, liquid or ens) does sound travel bout? Why?
3. What are the factors that affect the speed of sound?
4. How do you relate the following?
a Frequency and pitch of sound
b. Amplitude and loudness of sound
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Answer:
1. When an object vibrates, it produces sound.
2. Sound travels in solid, liquid and gas. It travels fastest in solid, since the molecules are closer together than liquid or gas, allowing sound waves to travel more quickly through it.
3. The first factor is the density of the medium. The second factor is the temperature of the medium.
4. Frequencies is the number of vibrations or sound waves per second, while loudness is the amount of energy in the vibration. Loudness is independent of the change of frequency, meanwhile pitch is dependent on the change in the frequency. As the frequency increases, the shrillness of the sound increases.
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