A stretched string resonates with tuning fork of frequency 512Hz when length of the string is 0.5m. The length f the string required to vibrate resonantly with a tuning fork of frequency 256Hz would be __________ a) 0.25m b) 0.5m c) 1m d) 2m

Q: If the intensity of a sound wave increases by 2%, what is the change in the sound level of the wave?…

A: let initial intensity = 100 W/m2 β = 10 log (I/Io)β = 10 log ( 100 / 10-12)β = 140 dB  New intensity…

Q: At resonance air column of length 20cm resonates with a tuning fork of frequency 450Hz. Ignoring end…

A: D

Q: A 2.0 kg mass is attached to a string as shown. The mass/length of the string is 5.00 g/m. Determine…

A:

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A:

Q: c) d) either 253 or 259 Hz none of these 11 Changing which one of the following would definitely not…

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A: Given:- A dolphin emits a pulse of sound waves (longitudinal wave) toward an object at500 m from the…

Q: A train is approaching with velocity 25m/s towards a pedestrian standing on the track, frequency of…

A: The correct answer is A.  Frequency Heard = 1077 Hz

Q: 4-A mosquito's wings are emitted a frequency of 1000 Hz if the mosquito flies toward a stationary…

A:

Q: In an experiment with sonometer a tuning fork of frequency 256Hz resonates with a length of 25cm and…

A: B

Q: What frequency would produce the third harmonic for this string?

A: For a standing wave pattern, the wave’s frequency can be represented as, Here, v and λ represent…

Q: A tuning fork A produces 4beats/s with another tuning fork B of frequency 320Hz. On filing one of…

A: C

Q: 6) A "bang" is heard in the form of an echo. If the flat surface from the reflected sound is 300-m…

A: Solution: as given that flat surface from source =300 m distacne between soruce and you =150 m

Q: we can hear a beat frequency of 2Hz from two tuning forks. The first tuning fork has a frequency of…

A: Given: beat frequency of 2Hz can be heard f1 = 100 Hz Beat frequency after application of wax = 4 Hz…

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A: The question is asking about the difference in wavelength between successive harmonics in a pipe.…

Q: 6) A string is attached to a vibrator driven at 1.20 x 102 Hz. A weight hangs from the other end of…

A: Given: The frequency at which the vibrator is driven: f = 1.20 x 102 Hz. The tension in the string…

Q: A transverse wave travelling along a string is given by (in MKS units): y(x,t) = 2π3 cos(πx/30 +…

A: y(x,t) = 2π3 cos(πx/30 + 2πt/0.17)comparing with standard equation y(x,t) = A cos(kx + wt), we get…

Q: 9) You drop a ringing alarm off a cliff; as it accelerates towards the ground, what happens to the…

A: Answer-> (D) the frequency is lower than the original frequency and decreasing as it falls…

Q: A whistle giving out 450Hz approaches a stationary observer at a speed of 33m/s. The frequency heard…

A: F

Q: A 1.1-kg uniform bar of metal is 0.40 m long and has a diameter of 2.0 cm. When someone bangs one…

A: given : - frequency of the shock wave f = 1.5MHz    Time taken by wave to reach the other end t = ms

Q: A string in a musical instrument is 50cm long and its fundamental frequency is 800Hz. If a frequency…

A: C

Q: A guitar string 63 cm long (mass = 1.22 gram) has the note E4 (330 Hz) as its fundamental note. What…

A: Given, Length, L=63 cm=0.63 m, mass, m= 1.22 kg=0.00122 kg, frequency, and f= 330 Hz.

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: string that vibrates at a frequency of 440 and has a length of 0.34 m. What is the longest three…

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Q: with what factor increases or decreases the necessary power. A) If the length of the chord is…

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Q: standing sound wave is produced at a particular frequency in a tube filled with air. If the…

A: Explanation: A standing sound wave is produced at a particular frequency in a tube filled with air.…

Q: 178. The fundamental frequency in an open organ pipe is equal to the third harmonic of a closed…

A: To determine: The length of the open organ pipe   Given: Length of the closed organ pipe, l2=20 cm

Q: Two identical sinusoidal waves with wavelengths of 1.5 m travel in the same direction at a speed of…

A: Wavelength of each wave λ=1.5 m Speed of each wave v=25 m/s Amplitude of the resultant wave R=3A

Q: A string 4 meters along weighs 4 gm and a is stretched with a tension of 40 gm. what is the velocity…

A: Length, L = 4 mMass, m = 4×10-3 kgTension, T = 40 g = 0.39 N Mass per unit length, M = mLM =…

Q: For the lowest harmonic of pipe with two open ends,how much of a wavelength fits into the pipe's…

A: The question is asking for the length of the wavelength that fits into a pipe with two open ends at…

Q: *22.25. The intensity level 6 m from a source is 80 dB. What is the intensity level at a distance of…

A:

Q: takes 2 seconds for a second wave to travel between two fixed points when the day temperature is…

A: B

Q: Question 10 (1 point) A police car approaches and you detect the frequency heard to be 850 Hz. The…

A:

Q: For the lowest harmonic of pipe with one open end and one closed end,how much of a wavelength fits…

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Q: A dolphin emits a pulse of sound waves (longitudinal wave) toward an object at 400 m from the…

A:

Q: Two waves of amplitude 0.3 m and 0.5 m interfere constructively. The resultant intensity is…

A: Given data- First Amplitude a1=0.3 m Second Amplitude a2=0.5 m We have to find the resultant…

Q: A string with a length of 0.75 m is fixed at both ends. a) What is the longest possible wavelength…

A: Given: length =0.75 m A) Find the longest possible  wavelength The wavelength is the distance…

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A:

Q: A 6.8 m wavelength sound wave has a speed 340 m/s. The angular frequency of this wave is closest to…

A:

Q: A drainage pipe running under a freeway is 33.0 m longBoth ends of the pipe are openand wind blowing…

A: Length (L) = 33 m Both ends of the pipe are open The speed of sound (v) = 343 ms