New Worksheet - Physics - Sound Intensity

Problem 1
An amplifier takes a 20 decibel sound and turns it into a 60 decibel sound. How many times larger is the intensity of the sound waves coming out of the amplifier as compared to the intensity of the sound waves going into the amplifier?
Answer: ________________

Problem 2
An amplifier takes a 35 decibel sound and turns it into an 85 decibel sound. How many times larger is the intensity of the sound waves coming out of the amplifier as compared to the intensity of the sound waves going into the amplifier?
Answer: ________________

Problem 3
An amplifier takes a 10 decibel sound and turns it into a 70 decibel sound. How many times larger is the intensity of the sound waves coming out of the amplifier as compared to the intensity of the sound waves going into the amplifier?
Answer: ________________

Problem 4
An amplifier takes a 57 decibel sound and turns it into a 87 decibel sound.  How many times larger is the intensity of the sound waves coming out of the amplifier as compared to the intensity of the sound waves going into the amplifier?
Answer: ________________