How headphone works? -This question was all about Sound interference, beats, Doppler effect, and density.
Q: how many times as intense as a 85 db sound then an 50 DB sound? 
A: Loudness, L1 = 50 dBLoudness, L2 = 85 dB
Q: How does sound in air differ from sound in water
A: Given question is, how sound in air differ from sound in water.
Q: Sonic booms are most closely related to which of these phenomena? O doppler effect O two-point…
A: Sonic boom : A sonic boom is a constructive interference of sound wave created by an object moving…
Q: At a rock concert a dB meter registers 115 dB at a distance of 1.50 m from the stage, how far from…
A: Given Data Sound level at a distance r1=1.50 m is B1=115 dB We have to find the distance where the…
Q: The voice of a person who has inhaled helium sounds very high-pitched. Why?
A:
Q: Provide the wavelengths for the first three resonant frequencies produced by a vibrating string…
A: A string, held by its ends, when vibrated produces a standing wave pattern. This standing wave…
Q: Question When poked by a spear, an operatic soprano lets out a 1200-Hz shriek. What is Its…
A:
Q: Can sound waves generate heat?
A: To find out if sound waves generate heat.
Q: How much faster does sound travel on a hot summer day, 40 °C, than on the coldest winter day, -40…
A:
Q: What is the resultant sound level when an 81-dB sound and an 87-dB sound are heard simultaneously?
A: Given data The first intensity is I1=81 dB The second intensity is I2=87 dB The net resultant sound…
Q: If a source of sound moves toward an observer who is at rest, would the observer hear a higher or…
A: The change in the pitch heard when a vehicle sounding a horn approaches and recedes from an observer…
Q: Why does sound travel faster on a rainy day than or a dry day?
A: Sound travel faster on a rainy day than or a dry day because
Q: What would be the effect of pressure on the speed of sound and Why?
A: The speed of the sound is
Q: Question 12 [111] is a close (most densely) packed plane, FCC direction, FCC direction, BCC plane,…
A: Planar density: Planar density is the density of atoms per unit area in a plane of interest.
Q: What is the temporal frequency of input to a vehicle driving over a rumble strip at 45 MPH if there…
A: Given, Speed of the vehicle, v = 45 mph rumble strip recess in every 18 cm hence the wavelength of…
Q: What would happen to the frequency, wavelength of an organ pipe if you fill it with helium instead…
A: Given: helium is filled in an organ pipe
Q: A car sounding its horn at 480Hz moves towards a high wall at a speed of 20m/s, the frequency of the…
A: C
Q: Can an astronaut hear the sound of himl her hitting two metal rods in Space?. yes or NO³ + Why? Your
A: Sound is the mechanical wave and mechanical wave travels through the vibration of atoms and…
Q: Discuss the characteristics of sound
A: The main characteristic of sound is described one by one as follows, 1. Wavelength - The distance…
Q: How does 20 Hz waveform pass through the labyrinth of a Bass reflex speaker?
A: When a 20 Hz waveform is applied to the speaker driver in a bass reflex speaker, the driver will…
Q: Why will sound not travel in a vacuum?
A: Yes,sound will not travel in vacuum.It needs a medium to travel.
Q: The power output of a certain public address speaker is 6.8 W. Suppose it broadcasts equally in all…
A:
Q: Explain qualitatively the difference between progressive and stationary waves.
A: The diffrence between Progressive Waves and Stationary waves are given below....
Q: 2) Ten cars in a circle at a boom box competition produce a 120-dB sound intensity level at the…
A: Given: Bt=120dB 2) Let the sound intensity produced by a single stereo be I. Thus, the sound…
Q: As the frequency drops, what happens to the sound's wavelength
A:
Q: A dB meter registered 125 dB when it was placed 3.90 m in front of a speaker. (ii) Calculate the…
A: Calculate the sound intensity for 125 dB. dB=10logI1I0125=10logI110-12I1=3.16
Q: What would be the effect of temperature on the speed of sound and Why?
A:
Q: Can you tell that your roommate turned up the sound on the TV if its average sound intensity level…
A:
Q: When an object approaches you at Ma = 0.8, you can hearit, according to Fig. But would there be a…
A: For Ma<0.8, the displacement experienced by the sound waves is larger than the displacement…
Q: We know that sound cannot travel through the vacuum of space and yet astronauts on a space walk can…
A: To Explain How Astronauts able to talk with the help of radios in the space
Q: 46) A point source emits sound with a power output of 100 W. What is the sound level (in dB) at a…
A:
Q: What travels across the room from a speaker to your ear? The disturbance within the air. O The air…
A: From the phenomenon of sound and waves, we know that the sound cannot travel across an empty space…
Q: How much would the trombone player have to move the slider in cm to play 25 Hz ? Be sure you know…
A: Given, Frequency of the trombone, f = 25 Hz
Q: Show that the fundamental frequency of an open organ pipe is double that in case of a closed organ…
A: The open end of an organ pipe has an antinode, and closed-end has a node. The wave diagram for an…
Q: Why a sound waves cannot travel through a vacuum?
A: 1. The back and forth vibration of the particle in the medium through which the sound wave moving…
Q: Ships determine the ocean depth by bouncing sonar waves from the ocean bottom and measuring the…
A: Sonar is a technique used to found the propagation of sound waves, to navigate, to communicate or…
Q: : How many times louder is a 60-dB sound than a 10-dB sound? DB is calculated by taking 10 10 : 10…
A: Given values: db1=60 dBdb2=10 dB
How headphone works?
-This question was all about Sound interference, beats, Doppler effect, and density.
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