Chat with AIExam 18: Superposition and Standing Waves
Exam 1: Getting Started24 Questions
Exam 2: One-Dimensional Motion66 Questions
Exam 3: Vectors47 Questions
Exam 4: Two- and Three-Dimensional Motion79 Questions
Exam 5: Newtons Laws of Motion103 Questions
Exam 6: Applications of Newtons Laws of Motion64 Questions
Exam 7: Gravity47 Questions
Exam 8: Conservation of Energy31 Questions
Exam 9: Energy in Nonisolated Systems41 Questions
Exam 10: Systems of Particles and Conservation of Momentum25 Questions
Exam 11: Collisions43 Questions
Exam 12: Rotation I: Kinematics and Dynamics65 Questions
Exam 13: Rotation II: a Conservation Approach42 Questions
Exam 14: Static Equilibrium, Elasticity, and Fracture34 Questions
Exam 15: Fluids53 Questions
Exam 16: Oscillations41 Questions
Exam 17: Traveling Waves46 Questions
Exam 18: Superposition and Standing Waves56 Questions
Exam 19: Temperature, Thermal Expansion, and Gas Laws45 Questions
Exam 20: Kinetic Theory of Gases19 Questions
Exam 21: Heat and the First Law of Thermodynamics35 Questions
Exam 22: Entropy and the Second Law of Thermodynamics55 Questions
Exam 23: Electric Forces34 Questions
Exam 24: Electric Fields48 Questions
Exam 25: Gausss Law80 Questions
Exam 26: Electric Potential96 Questions
Exam 27: Capacitors and Batteries63 Questions
Exam 28: Current and Resistance32 Questions
Exam 29: Direct Current Dc Circuits84 Questions
Exam 30: Magnetic Fields and Forces75 Questions
Exam 31: Gausss Law for Magnetism and Amperes Law87 Questions
Exam 32: Faradays Law of Induction56 Questions
Exam 33: Inductors and Ac Circuits86 Questions
Exam 34: Maxwells Equations and Electromagnetic Waves41 Questions
Exam 35: Diffraction and Interference48 Questions
Exam 36: Applications of the Wave Model31 Questions
Exam 37: Reflection and Images Formed by Reflection25 Questions
Exam 38: Refraction and Images Formed by Refraction54 Questions
Exam 39: Relativity45 Questions
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A length of organ pipe is closed at one end. If the speed of sound is 344 m/s, what length of pipe (in cm) is needed to obtain a fundamental frequency of 50 Hz?
(Multiple Choice)
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(31) Two harmonic waves are described by 
What is the wavelength of the resultant wave?
What is the wavelength of the resultant wave? (Multiple Choice)
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(33) Two tuning forks with frequencies 264 and 262 Hz produce "beats". What is the beat frequency (in Hz)?
(Multiple Choice)
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(36) Two identical strings have the same length and same mass per unit length. String B is stretched with four times as great a tension as that applied to string A. Which statement is correct for all n harmonics on the two strings, n = 1, 2, 3...?
(Multiple Choice)
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(43) A string is stretched and fixed at both ends, 200 cm apart. If the density of the string is 0.015 g/cm, and its tension is 600 N, what is the wavelength (in cm) of the first harmonic?
(Multiple Choice)
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(30) Transverse waves y1 = A1 sin(k1x − ω1t) and y2 = A2 sin(k2x − ω2t), with A2 > A1, start at opposite ends of a long rope when t = 0. The magnitude of the maximum displacement, y, of the rope at any point is
(Multiple Choice)
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The figure below shows wave crests after a stone is thrown into a pond. 
Use this exhibit to answer the following question(s).
- The phase difference in radians between points A and B is
Use this exhibit to answer the following question(s).
- The phase difference in radians between points A and B is (Multiple Choice)
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(44) Two harmonic waves are described by 
What is the amplitude of the resultant wave?
What is the amplitude of the resultant wave? (Multiple Choice)
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(31) Two waves are described by
Y1 = 6 cos(180t) and y2 = 6 cos(186t) (both in meters).
What effective frequency does the resultant vibration have at a point?
(Multiple Choice)
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(36) Two harmonic waves are described by 
What is the magnitude of the speed (in m/s) of the two traveling waves?
What is the magnitude of the speed (in m/s) of the two traveling waves? (Multiple Choice)
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(23) Two ropes are spliced together as shown. 
A short time after the incident pulse shown in the diagram reaches the splice, the rope's appearance will be that in
A short time after the incident pulse shown in the diagram reaches the splice, the rope's appearance will be that in (Multiple Choice)
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(37) Two instruments produce a beat frequency of 5 Hz. If one has a frequency of 264 Hz, what could be the frequency of the other instrument?
(Multiple Choice)
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(38) Two harmonic waves are described by 
What is the phase (in rad) of the resultant wave when x = t = 0?
What is the phase (in rad) of the resultant wave when x = t = 0? (Multiple Choice)
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(39) Two ropes are spliced together as shown. 
A short time after the incident pulse shown in the diagram reaches the splice, the rope's appearance will be that in
A short time after the incident pulse shown in the diagram reaches the splice, the rope's appearance will be that in (Multiple Choice)
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(42) A steel wire in a piano has a length of 0.700 m and a mass of 4.30 grams. To what tension must this wire be stretched to make the fundamental frequency correspond to middle C, (fc = 261.6 Hz)?
(Short Answer)
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(42) Two harmonic waves are described by 
What is the frequency (in Hz) of the resultant wave?
What is the frequency (in Hz) of the resultant wave? (Multiple Choice)
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