Wave Motion

Q. A sound wave travels at 340 m/s. If its frequency is 170 Hz, what is its wavelength?
  • A. 0.5 m
  • B. 1 m
  • C. 2 m
  • D. 3 m
Q. A sound wave travels at a speed of 340 m/s in air. If its frequency is 1700 Hz, what is its wavelength?
  • A. 0.2 m
  • B. 0.5 m
  • C. 1.0 m
  • D. 2.0 m
Q. A sound wave travels at a speed of 340 m/s in air. What is the wavelength of a sound wave with a frequency of 680 Hz?
  • A. 0.5 m
  • B. 1 m
  • C. 2 m
  • D. 4 m
Q. A sound wave travels at a speed of 340 m/s. If its frequency is 170 Hz, what is its wavelength?
  • A. 0.5 m
  • B. 1 m
  • C. 2 m
  • D. 3 m
Q. A sound wave travels in air at a speed of 340 m/s. If the frequency of the sound is 170 Hz, what is the wavelength?
  • A. 2 m
  • B. 1 m
  • C. 0.5 m
  • D. 0.2 m
Q. A sound wave travels in air at a speed of 340 m/s. If the frequency of the sound is 1700 Hz, what is the wavelength?
  • A. 0.2 m
  • B. 0.5 m
  • C. 2 m
  • D. 1 m
Q. A sound wave travels in air at a speed of 340 m/s. If the frequency of the sound wave is 1700 Hz, what is its wavelength?
  • A. 0.2 m
  • B. 0.5 m
  • C. 2 m
  • D. 1 m
Q. A wave has a frequency of 50 Hz and a wavelength of 2 m. What is its speed?
  • A. 25 m/s
  • B. 50 m/s
  • C. 100 m/s
  • D. 75 m/s
Q. A wave has a frequency of 50 Hz and a wavelength of 3 m. What is its speed?
  • A. 150 m/s
  • B. 100 m/s
  • C. 50 m/s
  • D. 200 m/s
Q. A wave on a string is described by the equation y(x, t) = 0.1 sin(2πx - 4πt). What is the amplitude of the wave?
  • A. 0.1 m
  • B. 0.2 m
  • C. 0.4 m
  • D. 1 m
Q. A wave traveling along a string is described by the equation y(x, t) = A sin(kx - ωt). What is the phase velocity of the wave?
  • A. A/k
  • B. ω/k
  • C. k/ω
  • D.
Q. A wave travels through a medium with a frequency of 500 Hz and a wavelength of 2 m. What is the speed of the wave?
  • A. 1000 m/s
  • B. 250 m/s
  • C. 500 m/s
  • D. 2000 m/s
Q. A wave travels through a medium with a speed of 300 m/s and has a frequency of 150 Hz. What is its wavelength?
  • A. 1 m
  • B. 2 m
  • C. 3 m
  • D. 4 m
Q. A wave travels with a frequency of 500 Hz and a wavelength of 2 m. What is its speed?
  • A. 250 m/s
  • B. 1000 m/s
  • C. 500 m/s
  • D. 200 m/s
Q. A wave travels with a speed of 300 m/s and has a frequency of 150 Hz. What is its wavelength?
  • A. 1 m
  • B. 2 m
  • C. 3 m
  • D. 4 m
Q. If the amplitude of a wave is tripled, how does the energy of the wave change?
  • A. Increases by a factor of 3
  • B. Increases by a factor of 6
  • C. Increases by a factor of 9
  • D. Remains the same
Q. If the amplitude of a wave is tripled, what happens to its energy?
  • A. Increases by a factor of 3
  • B. Increases by a factor of 6
  • C. Increases by a factor of 9
  • D. Remains the same
Q. If the frequency of a wave is doubled, what happens to its wavelength, assuming the speed of the wave remains constant?
  • A. Wavelength doubles
  • B. Wavelength halves
  • C. Wavelength remains the same
  • D. Wavelength quadruples
Q. If the frequency of a wave is doubled, what happens to its wavelength?
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. If the speed of a wave in a medium is 300 m/s and its wavelength is 3 m, what is the frequency of the wave?
  • A. 100 Hz
  • B. 150 Hz
  • C. 200 Hz
  • D. 300 Hz
Q. If two waves of the same frequency interfere constructively, what is the result?
  • A. A wave of lower amplitude
  • B. A wave of higher amplitude
  • C. No wave
  • D. A standing wave
Q. If two waves traveling in opposite directions interfere constructively, what is the result?
  • A. A smaller amplitude wave
  • B. A larger amplitude wave
  • C. No wave
  • D. A standing wave
Q. In a standing wave, the points of maximum displacement are called:
  • A. Nodes
  • B. Antinodes
  • C. Crests
  • D. Troughs
Q. In a standing wave, what is the position of the nodes?
  • A. Points of maximum amplitude
  • B. Points of minimum amplitude
  • C. Points of zero displacement
  • D. Points of maximum energy
Q. In a wave equation y(x, t) = A sin(kx - ωt), what does 'A' represent?
  • A. Wavelength
  • B. Frequency
  • C. Amplitude
  • D. Wave number
Q. In a wave, if the amplitude is increased, what effect does it have on the energy of the wave?
  • A. Energy decreases
  • B. Energy remains the same
  • C. Energy increases linearly
  • D. Energy increases with the square of the amplitude
Q. In a wave, if the amplitude is increased, what happens to the energy carried by the wave?
  • A. Energy decreases
  • B. Energy remains the same
  • C. Energy increases linearly
  • D. Energy increases with the square of the amplitude
Q. In a wave, if the amplitude is increased, what happens to the energy of the wave?
  • A. Energy decreases
  • B. Energy remains the same
  • C. Energy increases
  • D. Energy becomes zero
Q. What is the effect of increasing tension on the speed of a wave traveling along a string?
  • A. Increases speed
  • B. Decreases speed
  • C. No effect
  • D. Depends on the mass
Q. What is the effect of increasing the amplitude of a wave?
  • A. Increases frequency
  • B. Increases speed
  • C. Increases energy
  • D. Decreases wavelength
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