. An air column closed at one end has length of 44 cm. It resonates with tuning fork of frequency 20 Hz. When the length is decreased to 20 cm, it resonates with frequency 440 Hz. Calculate velocity of sound in air. (Neglect end correction)

Q: One OPEN organ pipe has a length of 2.40 m. What is the frequency of a note played by this pipe?…

A:

Q: Estimate the speed of sound in air at standard temperature and pressure. The mass of 1 mole of air…

A: Density of air at STP is,

Q: A sound wave of frequency 300 Hz has an intensity of 1.00 mW/m2.What is the amplitude of the air…

A:

Q: By what factor k must the sound intensity be increased to increase the sound intensity level by 12.9…

A: Given Data, The increment in sound intensity level (∆β)=12.9 dB

Q: in 20°C air has a pressure amplitude of 0.800 Pa. What is the intensity of the wave? (Assume the…

A: Given:-  The temperature T = 20oC = 20+273 = 293 K  The pressure amplitude is P = 0.800 Pa  The…

Q: Estimate the speed of sound in air at standard temperature and pressure. The mass of 1 mole of air…

A:

Q: A source of sound has a total emitted power of 300 W. Determine the intensity a distance of 10 m…

A:

Q: A standard trumpet has a resonant tube length of 1.4 m and is closed at one end. What are the first…

A: A standard trumpet has a resonant tube of length is l=1.4 mThe tube is closed at one end.In this…

Q: A speaker produces 1W1W of acoustical power. If the speaker projects sound uniformly in all…

A: The acoustic power of the speaker is 1 W. The loudness of the sound is 90.2 dB.

Q: A sound wave in air has a frequnecy of 276 Hz and travels with a speed of 341 m/s. How far apart are…

A: Here the question is to find the distance between wave crests.Distance between wave crests is equal…

Q: he amplitude of a sound wave is measured in terms of its maximum gauge pressure. By what factor does…

A: Given: The sound level is ∆β=36 dB. The expression for sound level is: ∆β=10 dBlog10A2A12 Here, A1…

Q: Determine the energy absorbed by the eardrum in 3.0 min if it has an area of 0.600 x 10^-4 m2 where…

A:

Q: The sound intensity 9 m from an isotropically radiating point source is 0.78 W/m². What is the power…

A: Since the point is 9 m from the point source,  so, the  area of sphere covered is A =πr2  ⇒4×π×92 =…

Q: The amplitude of a sound wave is measured in terms of its maximum gauge pressure. By what factor…

A:

Q: A certain sound source is increased in sound level by 30.0 dB. By what multiple is (a) its intensity…

A:

Q: In an experiment conducted a sound wave was generated in the air with a displacement amplitude of…

A: Given data

Q: A sound wave in air has a pressure amplitude equal to 4.00 x 10-3 Pa. Calculate the displacement…

A:

Q: A sound wave in air at 20°C has a frequency of 320 Hz anda displacement amplitude of 5.00 * 10-3 mm.…

A: Given : Frequency = 320 Hz  Amplitude = 5 x 10-3 mm  = 5 x 10-6 m Speed of sound  = 344 m/sec

Q: A sound wave in air has pressure amplitude equal to 4×10^-3 n/m^2. Calculate  the displacement…

A: Given, Pressure amplitude, P= 4×10-3 N/m2, and frequency, f=10 kHz=10000 Hz.

Q: The higher frequency limit for human hearing is 23.9  kHz. If the air temperature is 12.2 °C, the…

A:

Q: A sound wave represented by A = 0.0613 sin (2.81x - 978t). The density of air is 1.20 kg/m3. What is…

A: Given data The equation of the sound wave is given as A = 0.0613 sin (2.81x - 978t). The density of…

Q: A point source emits 50.0 W of sound. At 10 m from the source, a small microphone intercepts the…

A: Given information:The power of the sound at the source (P) = 50.0 WThe distance at which the…

Q: resonance In a resonance tube experiment, occurs with a a tuning fork of frequency 384 Hz, when the…

A: We need to compute- (i) Velocity of sound in air (V)=? (ii) End correction (X)=? (iii) Inner…

Q: The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its…

A: a). Consider the formula for intensity level of this creature

Q: A sound wave in an unknown fluid medium takes 580 μs to travel 3.00 m. What is the bulk modulus of…

A:

Q: By what factor kk must the sound intensity be increased to increase the sound intensity level by…

A:

Q: An experimenter wishes to generate in air a sound wave that has a displacement amplitude of 5.50 ×…

A:

Q: Sound is detected when a sound wave causes the tympanic membrane (the ear drum) to vibrate.…

A: Given : d = 8.4 mm = 8.4 × 10-3 m β = 20 dB t = 1 second m = 2 mg = 2 × 10-6 kg

Q: A speaker produces 1W of acoustical power. If the speaker projects sound uniformly in all…

A: Given data The acoustical power of the speaker is given as P = 1 W. The loudness of the sound is…

Q: A sound wave radiates from a speaker in all directions. If the power of the sound source is 250 W,…

A: