Oscillations & Waves

Q. What is the term for the lowest frequency of a sound wave in a harmonic series?
  • A. Fundamental frequency
  • B. Overtone
  • C. Harmonic
  • D. Resonance
Q. What is the threshold of hearing in terms of sound intensity level?
  • A. 0 dB
  • B. 10 dB
  • C. 20 dB
  • D. 30 dB
Q. What is the time period of a damped oscillator with a damping ratio of 0.1 and a natural frequency of 10 rad/s?
  • A. 0.2 s
  • B. 0.3 s
  • C. 0.4 s
  • D. 0.5 s
Q. What is the time period of a damped oscillator with a natural frequency of 3 rad/s and a damping ratio of 0.1?
  • A. 2π/3
  • B. 2π/3.1
  • C. 2π/3.2
  • D. 2π/3.3
Q. What is the time period of a simple pendulum of length L?
  • A. 2π√(L/g)
  • B. 2π√(g/L)
  • C. g/2π√L
  • D. L/2π√g
Q. What is the unit of frequency?
  • A. Hertz
  • B. Decibel
  • C. Newton
  • D. Joule
Q. What is the unit of sound intensity?
  • A. Decibel
  • B. Watt
  • C. Pascal
  • D. Joule
Q. What type of damping is characterized by the system oscillating with gradually decreasing amplitude?
  • A. Underdamping
  • B. Critical damping
  • C. Overdamping
  • D. No damping
Q. What type of damping occurs when the damping force is proportional to the velocity of the oscillator?
  • A. Critical damping
  • B. Underdamping
  • C. Overdamping
  • D. Linear damping
Q. What type of damping occurs when the damping ratio is greater than 1?
  • A. Underdamped
  • B. Critically damped
  • C. Overdamped
  • D. Free oscillation
Q. What type of wave is a sound wave?
  • A. Transverse wave
  • B. Longitudinal wave
  • C. Surface wave
  • D. Electromagnetic wave
Q. What type of wave is characterized by particle motion being perpendicular to wave motion?
  • A. Longitudinal wave
  • B. Transverse wave
  • C. Surface wave
  • D. Standing wave
Q. What type of wave is produced by a vibrating string?
  • A. Longitudinal wave
  • B. Transverse wave
  • C. Surface wave
  • D. Electromagnetic wave
Q. What type of wave is produced when a tuning fork is struck and vibrates?
  • A. Transverse wave
  • B. Longitudinal wave
  • C. Surface wave
  • D. Electromagnetic wave
Q. What type of wave is produced when a tuning fork is struck?
  • A. Transverse wave
  • B. Longitudinal wave
  • C. Surface wave
  • D. Standing wave
Q. What type of wave is produced when a tuning fork vibrates in air?
  • A. Transverse wave
  • B. Longitudinal wave
  • C. Surface wave
  • D. Electromagnetic wave
Q. What type of wave is produced when a tuning fork vibrates?
  • A. Transverse wave
  • B. Longitudinal wave
  • C. Surface wave
  • D. Electromagnetic wave
Q. What type of wave is sound classified as?
  • A. Transverse wave
  • B. Longitudinal wave
  • C. Surface wave
  • D. Electromagnetic wave
Q. Which of the following describes overdamped oscillations?
  • A. System oscillates with decreasing amplitude
  • B. System returns to equilibrium without oscillating
  • C. System oscillates indefinitely
  • D. System oscillates with constant amplitude
Q. Which of the following describes the Doppler effect?
  • A. Change in frequency due to motion
  • B. Change in amplitude due to distance
  • C. Change in speed due to temperature
  • D. Change in wavelength due to pressure
Q. Which of the following describes the motion of a damped oscillator mathematically?
  • A. x(t) = A cos(ωt)
  • B. x(t) = A e^(-bt) cos(ωt)
  • C. x(t) = A sin(ωt)
  • D. x(t) = A e^(bt) cos(ωt)
Q. Which of the following describes the motion of a damped oscillator?
  • A. Simple harmonic motion
  • B. Exponential decay
  • C. Linear motion
  • D. Circular motion
Q. Which of the following describes the motion of a system undergoing overdamping?
  • A. Returns to equilibrium position quickly
  • B. Oscillates with decreasing amplitude
  • C. Returns to equilibrium position slowly without oscillating
  • D. Oscillates indefinitely
Q. Which of the following describes the relationship between frequency and pitch?
  • A. Higher frequency means lower pitch
  • B. Lower frequency means higher pitch
  • C. Higher frequency means higher pitch
  • D. Frequency has no effect on pitch
Q. Which of the following factors does NOT affect the speed of sound in a medium?
  • A. Temperature
  • B. Density
  • C. Humidity
  • D. Frequency
Q. Which of the following is a characteristic of a sound wave?
  • A. Transverse wave
  • B. Longitudinal wave
  • C. Electromagnetic wave
  • D. Static wave
Q. Which of the following is a characteristic of overdamped systems?
  • A. They oscillate slowly
  • B. They return to equilibrium slowly without oscillating
  • C. They oscillate rapidly
  • D. They have maximum amplitude
Q. Which of the following is a characteristic of underdamped oscillations?
  • A. No oscillation occurs
  • B. Oscillations decay slowly
  • C. Oscillations decay rapidly
  • D. Oscillations are constant
Q. Which of the following is a longitudinal wave?
  • A. Light wave
  • B. Sound wave
  • C. Water wave
  • D. Radio wave
Q. Which of the following is NOT a characteristic of waves?
  • A. Reflection
  • B. Refraction
  • C. Diffraction
  • D. Conduction
Showing 271 to 300 of 311 (11 Pages)
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