A source is emitting sound uniformly in all directions. There are no reflections anywhere. A flat surface faces the source. Is the sound intensity the same at all points on the surface? Give our reasoning

Q: The low-frequency speaker of a stereo set has a surface area of 0.06 m² and produces 1.13 W of…

A:

Q: A long slender bar is made from an unknown material. The length of the bar is 0.83 m, its…

A: 45. The speed of sound is, v=dt=0.83 m1.9×10-4 s=4370 m/s The volume is, V=AL=1.3×10-4 m20.83…

Q: A trumpet creates a sound intensity level of 1.33 x 102 dB at a distance of 0.80m. (a) What is the…

A:

Q: The low-frequency speaker of a stereo set has a surface area of 0.04 m2 and produces 1.13 W of…

A:

Q: A typical adult ear has a surface area of 2.1×10-3m2. The sound intensity during a normal…

A: Area, A = 2.1×10-3 m²Intensity, I = 3.2×10-6 W/m²Power, P = ?

Q: Workers around jet aircrafts typically wear protective devices over their ears, as the sound level…

A:

Q: The sound intensity at a certain location is 4.0×10-6 W/m2. What is the sound intensity level at…

A: Given : Intensity at certain level (I) = 4.0×10-6 W/m2.    threshold intensity (I0) = 1 x 10-12…

Q: A source emits sound uniformly in all directions. There are no reflections of the sound. At a…

A: The distance between the point and the source,

Q: Although 0 dB is often referred to as the lower threshold of human hearing, it is important to…

A: Part(A) a) the least intense sounds are heard at frequencies   ( For 0 phons  curve, the lowest…

Q: A concert loudspeaker suspended high off the ground emits 35 W of sound power. A small microphone…

A: The power source,   The distance,

Q: A storm warning siren emits sound uniformly in all directions. Along a line that is drawn radially…

A:

Q: Two compact sources of sound near each other produce in-phase sine waves at each source. One source…

A: Given data: The distance of one source from the microphone, x1=12 m The distance of another source…

Q: The volume control on a surround-sound amplifier is adjusted so the sound intensity level at the…

A: listening position icrease from23 dB to 61 dB

Q: 30 seconds of exposure to 115 dB sound can damage your hearing, but a much quieter 94 dB may begin…

A: the intensity can be calculated as follows, β=10 dBlogII0I=I010β10 dB=1×10-12 W/m21094 dB10…

Q: The range of audible frequencies is from about 20 Hz to 20,000 Hz. What is the range of the…

A: Given data f1=20 Hzf2=20000 Hzλ1=400 nmλ2=700 nmfc=23×103 Hz

Q: The longest pipe found in most medium-sized pipe organs is 3.92 m (12.9 ft ). a)What is the…

A: Length of pipe organ (L) = 3.92 m

Q: A.) Find the loudness L, in decibles (dB), of a trombone given the intensity is 1010I0 B.) Find the…

A: A) The trombone’s loudness in decibel can be determined as, Here, I and I0 represent sound’s…

Q: Two loudspeakers located along the x-axis as shown produce sounds of equal frequency. Speaker 1 is…

A: The speed of the sound, v=340 m/s   At x=0.75 m and 1.00 m is a maximum of sound intensity. So, the…

Q: A person 6.5m from a loudspeaker hears sound with intensity 0.046W/m^2. What is the intensity of the…

A: since the wave is spherical the surface area of the spherical surface is 4*pi*r^2the expression for…

Q: The area of a typical eardrum is about 5.00 x 10-5 m2. (a) Calculate the average sound power…

A: Given- Area of a surface drum (A) = 5 x 10-5 m2 Intensity of sound (I) = 1 w/m2

Q: A single dog barks at a sound intensity level of β = 85 dB.Randomized Variablesβ = 85 dB…

A:

Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.