Physics Waves And Oscillations Level: University
Speed of wave in stringA string of a violin is 32 cm long between fixed points with a fundamental frequency of 440 Hz and a linear density of . 00061 kg/m.
(a) What is the wave speed
(b) What is the tension in the string?
Physics Waves And Oscillations Level: University
Speed of soundA physics student is asked to determine the length of a long slender cooper rod by measuring the time required for the sound pulse to travel the length of the rod. The young s modulus of cooper is 1.1 x 10^11 N/m^2 and its density is 8890 kg/m^3. The student finds that the time for the pulse to travel from one end to the other is 1.56 X 10^-3 s. How long is the rod.
(a) 0.18 m
(b) 1.2 m
(c) 5.5 m
(d) 19 m
(e) 31 m
Physics Waves And Oscillations Level: University
Tuning forkWith the water in the tube at the level for the tube length L1 of the first resonance of the first tuning fork (a) Would another tuning fork with a frequency lower than that of the first tuning fork produce a resonance?
(b) Would another tuning fork of some higher frequency produce a resonance?
(c) If you answer yes in either case what would be the frequency of the other fork?
Physics Waves And Oscillations Level: University
What are the resonant frequencies for an open organ pipe of fixed length L?
Physics Waves And Oscillations Level: University
Resonance of tuning forkFor a resonant tube apparatus with a total tube length of 1 m how many resonance positions would be observed when the water level is lowered through the total length of the tube for a tuning fork with a frequency of (a) 500 Hz (b) 1000 Hz ?
Physics Waves And Oscillations Level: University
Tuning ForkShould a tuning fork be set into oscillation by striking it with or on a hard object?
Physics Waves And Oscillations Level: University
Organ pipeWhat is the variable used in studying resonance in an air column in
(a) A closed organ pipe of fixed length (b) A resonance tube apparatus?
Physics Waves And Oscillations Level: University
Tension is maintained in a string. The observed wave speed is 24 m/s when the suspended mass is 3.0kg. (a) What is the mass per unit length of the string? (b) What is the wave speed when the suspended mass is 2.0 kg?
Physics Waves And Oscillations Level: High School
A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a frequency of 2.55 Hz . What is the maximum speed of the needle ?a) 3.18 cm/ s
b) 20.3 cm /s
c) 10.1 cm/ s
d) 6.36 cm / s
Physics Waves And Oscillations Level: High School
In simple harmonic motion , the speed is greatest at that point in the cycle when :a) The magnitude of the acceleration is a maximum .
b) The displacement is a maximum .
c) The magnitude of the acceleration is a minimum .
d) The potential energy is a maximum .
Physics Waves And Oscillations Level: High School
The position of a mass that is oscillating on a spring is given by x = (18.3) cos (2.35) s to power of (-1))t] . What is the frequency of this motion ?a) 0.426 Hz .
b) 1.34 Hz .
c) 0.128 Hz .
d) 0.374 Hz .
Physics Waves And Oscillations Level: High School
If your heart is beating at 76.0 beats per minute , what is the frequency of your heart’s oscillations ?a) 4560 Hz .
b) 1450 Hz .
c) 3.98 Hz .
d) 1.27 Hz .
Physics Waves And Oscillations Level: High School
The quartz crystal in a digital watch has a frequency of 32.8 kHz . What is its period of oscillation ?a) 3.05 multiply 10 to power of (exponent) s .
b) 9.58 multiply 10 to power of (exponent) s .
c) 1.91 multiply 10 to power of (exponent) s .
d) 9.71 multiply 10 to power of (exponent) s .
Physics Waves And Oscillations Level: High School
The highest note written for a singer in a published score was F-sharp above high C, 1480 kHz .a) Find the wavelength of this sound in air .
b) Transposed the note down to F above high C , 1397 kHz . By what increment did the wavelength change .
Physics Waves And Oscillations Level: High School
There is a evidence that elephants communicate via infrasound , generating rumbling vocalizations as low as 14 HZ that can travel up to 10 km . The intensity level of these sounds can reach 103 dB , measured a distance of 5.0 m from the source . Determince the intensity level of the infrasound 10 km from the source , assuming the sound energy radiates uniformly in all directions .