Oscillations & Waves

Q. In a forced oscillation system, what is the effect of increasing the amplitude of the driving force?
  • A. Decreases the amplitude of oscillation
  • B. Increases the amplitude of oscillation
  • C. Has no effect on amplitude
  • D. Causes the system to stop oscillating
Q. In a forced oscillation, if the amplitude is doubled while keeping the driving frequency constant, what happens to the energy of the system?
  • A. Increases by 2 times
  • B. Increases by 4 times
  • C. Remains the same
  • D. Decreases
Q. In a forced oscillation, if the amplitude is maximum, what can be said about the relationship between the driving frequency and the natural frequency?
  • A. Driving frequency is less
  • B. Driving frequency is equal
  • C. Driving frequency is greater
  • D. Driving frequency is unpredictable
Q. In a forced oscillation, if the amplitude of the oscillation is directly proportional to the driving force, what is the relationship called?
  • A. Hooke's Law
  • B. Newton's Law
  • C. Resonance
  • D. Steady state
Q. In a forced oscillation, the driving frequency is 2 Hz and the natural frequency of the system is 1.5 Hz. What is the ratio of the driving frequency to the natural frequency?
  • A. 0.5
  • B. 1
  • C. 1.33
  • D. 2
Q. In a forced oscillation, what happens when the driving frequency matches the natural frequency?
  • A. The system oscillates with minimum amplitude
  • B. The system oscillates with maximum amplitude
  • C. The system stops oscillating
  • D. The system oscillates at a different frequency
Q. In a forced oscillation, what happens when the driving frequency matches the natural frequency of the system?
  • A. The system oscillates with minimum amplitude
  • B. The system oscillates with maximum amplitude
  • C. The system stops oscillating
  • D. The system oscillates at a different frequency
Q. In a forced oscillation, what is the effect of increasing the amplitude of the driving force?
  • A. Decreases the amplitude of oscillation
  • B. Increases the amplitude of oscillation
  • C. Has no effect on amplitude
  • D. Causes the system to stop oscillating
Q. In a forced oscillation, what is the effect of resonance?
  • A. Amplitude decreases
  • B. Amplitude increases significantly
  • C. Frequency decreases
  • D. Phase difference becomes zero
Q. In a forced oscillation, what is the term for the maximum amplitude achieved at resonance?
  • A. Resonance peak
  • B. Damping peak
  • C. Natural frequency
  • D. Driving frequency
Q. In a harmonic oscillator, the total mechanical energy is constant. What is the form of this energy?
  • A. Kinetic energy only
  • B. Potential energy only
  • C. Sum of kinetic and potential energy
  • D. None of the above
Q. In a simple harmonic motion, if the amplitude is halved, how does the total energy change?
  • A. Remains the same
  • B. Halves
  • C. Doubles
  • D. Quadruples
Q. In a simple harmonic motion, if the amplitude is increased, what happens to the total energy of the system?
  • A. It decreases
  • B. It remains the same
  • C. It increases
  • D. It becomes zero
Q. In a simple harmonic motion, if the displacement is given by x(t) = A cos(ωt + φ), what is the phase constant φ?
  • A. 0
  • B. π/2
  • C. π
  • D. Depends on initial conditions
Q. In a simple harmonic motion, if the mass is increased while keeping the spring constant constant, what happens to the period?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Doubles
Q. In a simple harmonic motion, if the mass is increased, what happens to the period?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Depends on the spring constant
Q. In a simple harmonic motion, the phase difference between displacement and acceleration is:
  • A. 0 degrees
  • B. 90 degrees
  • C. 180 degrees
  • D. 270 degrees
Q. In a simple harmonic motion, the restoring force is directly proportional to what?
  • A. Displacement
  • B. Velocity
  • C. Acceleration
  • D. Mass
Q. In a simple harmonic motion, the restoring force is directly proportional to which of the following?
  • A. Displacement
  • B. Velocity
  • C. Acceleration
  • D. Mass
Q. In a simple harmonic motion, the velocity is maximum at which point?
  • A. Mean position
  • B. Amplitude
  • C. Equilibrium position
  • D. None of the above
Q. In a simple harmonic oscillator, if the mass is increased while keeping the spring constant the same, what happens to the period?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Doubles
Q. In a simple harmonic oscillator, if the maximum speed is 4 m/s and the amplitude is 2 m, what is the angular frequency?
  • A. 2 rad/s
  • B. 4 rad/s
  • C. 6 rad/s
  • D. 8 rad/s
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 distance between two consecutive nodes?
  • A. λ/2
  • B. λ
  • C.
  • D.
Q. In a standing wave, what is the point called where there is no displacement?
  • A. Node
  • B. Antinode
  • C. Crest
  • D. Trough
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 standing wave, what is the relationship between the nodes and antinodes?
  • A. Nodes are points of maximum amplitude
  • B. Antinodes are points of zero amplitude
  • C. Nodes are points of zero amplitude
  • D. Antinodes are points of minimum amplitude
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
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