A.)Find the intensity in watts per meter squared of a 60.0 Hz sound having a loudness of 10 phons.
B.) Find the intensity in watts per meter squared of a 10,000 Hz sound having a loudness of 60 phons.
A.)Find the intensity in watts per meter squared of a 60.0 Hz sound having a loudness...
(a) Find the intensity in watts per meter squared of a 200 Hz sound having a loudness of 30 phons. W/m2 (b) Find the intensity in watts per meter squared of a 10,000 Hz sound having a loudness of 60 phons. W/m2
(a) Find the intensity in watts per meter squared of a 200 Hz sound having a loudness of 30 phons. W/m2 (b) Find the intensity in watts per meter squared of a 10,000 Hz sound having a loudness of 60 phons. W/m2
(a) What is the intensity in watts per meter squared of a just barely audible 200-Hz sound? (b) What is the intensity in watts per meter squared of a barely audible 4000-Hz sound?
What is the intensity in 10-4 watts per meter squared of 84 dB sound?
1. If a sound of frequency 1000 Hz has intensity level 30 dB, what would be the intensity level of sound frequency 50 Hz which appears to have equal loudness? (Answer= 60 dB) 2. Intensity of 30 dB, 1000 Hz sound= (Answer= 1.000 x 10-9 W/m^2) *3. What is intensity (in W/m^2) of the equal loudness 50 Hz sound? (Answer is NOT 50.12 x 10^-12) *4. What is the ratio of the pressure variation (in amplitude) of the equal loudness...
5) An ultrasound wave with an intensity of 46,500 watts per square meter and a frequency of 55.0 kHz is used to shatter a kidney stone. Find the sound intensity level and the wavelength for this ultrasound wave if the wave is traveling in air at room temperature (speed of sound is 343 m/s).
9. Sound levels are measured by the logarithmic decibel scale, named after Alexander Graham Bell. The sound level, L, corresponding to an intensity of I, in watts per square metre, is し= 10 log-, where lo is the minimum intensity audible to the human ear. If amplified rock music has a loudness of 120 dB and ordinary conversation has a loudness of 50 dB, how many times louder than ordinary conversation is amplified rock music? 9. Sound levels are measured...
A 85.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at 20.0°C is 1.20 kg/m3. Speed of sound in air at 20.0°C is 343 m/s. What is the displacement amplitude of a 85.0-Hz sound wave?
A 72.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at 20.0°C is 1.20 kg/m3. Speed of sound in air at 20.0°C is 343 m/s. What is the displacement amplitude of a 72.0-Hz sound wave? Answer in nm
2) A referee whistle has a sound intensity level of 71.45 dB. Find the sound intensity in watts per square meter for the whistle. Compare this to a sound intensity level of 126.0 dB for a loud stadium. Would you be able to hear the whistle in the stadium?