# Oscillations and Resonance MCQs with Answers

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## Oscillations and Resonance Online MCQs with Answers

Which of the following quantities characterizes an oscillation?
a) Amplitude
b) Frequency
c) Period
d) All of the above

d) All of the above

The time taken for one complete cycle of an oscillation is called:
a) Amplitude
b) Frequency
c) Period
d) Wavelength

c) Period

The number of oscillations per unit time is called:
a) Amplitude
b) Frequency
c) Period
d) Wavelength

b) Frequency

The maximum displacement from the equilibrium position in an oscillation is called:
a) Amplitude
b) Frequency
c) Period
d) Wavelength

a) Amplitude

In an oscillatory motion, the restoring force is proportional to:
a) Displacement
b) Velocity
c) Acceleration
d) Time

a) Displacement

The restoring force in a simple harmonic oscillator is directed:
a) Opposite to the displacement
b) In the same direction as the displacement
c) Perpendicular to the displacement
d) Randomly

a) Opposite to the displacement

The equation x(t) = A sin(ωt) represents:
a) Simple harmonic motion
b) Damped oscillation
c) Forced oscillation
d) Resonance

a) Simple harmonic motion

The angular frequency (ω) in the equation x(t) = A sin(ωt) is related to the frequency (f) as:
a) ω = 2πf
b) ω = f/2π
c) ω = πf
d) ω = f^2

a) ω = 2πf

The period (T) of an oscillation is related to the frequency (f) as:
a) T = 1/f
b) T = f/2
c) T = 2/f
d) T = f^2

a) T = 1/f

The displacement-time graph for an oscillatory motion is:
a) A straight line
b) A parabola
c) A sine wave
d) A cosine wave

c) A sine wave

The velocity-time graph for an oscillatory motion is:
a) A straight line
b) A parabola
c) A sine wave
d) A cosine wave

b) A parabola

The acceleration-time graph for an oscillatory motion is:
a) A straight line
b) A parabola
c) A sine wave
d) A cosine wave

c) A sine wave

The energy of an oscillating system is conserved in:
a) Damped oscillations
b) Forced oscillations
c) Resonance
d) All of the above

d) All of the above

The condition for resonance in an oscillating system is:
a) The driving frequency matches the natural frequency
b) The driving frequency is higher than the natural frequency
c) The driving frequency is lower than the natural frequency
d) Resonance can occur at any frequency

a) The driving frequency matches the natural frequency

In a damped oscillation, the amplitude:
a) Decreases with time
b) Increases with time
c) Remains constant
d) Oscillates randomly

a) Decreases with time

The process by which energy is gradually lost in a damped oscillation is called:
a) Resonance
b) Amplitude modulation
c) Damping
d) Frequency modulation

c) Damping

In a forced oscillation, the amplitude is maximum when:
a) The driving frequency matches the natural frequency
b) The driving frequency is higher than the natural frequency
c) The driving frequency is lower than the natural frequency
d) Amplitude remains constant regardless of the driving frequency

a) The driving frequency matches the natural frequency

The phenomenon of beats occurs when:
a) Two waves with slightly different frequencies interfere
b) Two waves with the same frequency interfere
c) Waves of different amplitudes interfere
d) Waves of different wavelengths interfere

a) Two waves with slightly different frequencies interfere

The beat frequency is equal to the:
a) Difference between the frequencies of the interfering waves
b) Sum of the frequencies of the interfering waves
c) Product of the frequencies of the interfering waves
d) Ratio of the frequencies of the interfering waves

a) Difference between the frequencies of the interfering waves

A pendulum is an example of:
a) Simple harmonic motion
b) Damped oscillation
c) Forced oscillation
d) Resonance

a) Simple harmonic motion

The period of a simple pendulum depends on:
a) The length of the pendulum
b) The mass of the pendulum bob
c) The amplitude of the oscillation
d) The gravitational acceleration

a) The length of the pendulum

The frequency of a simple pendulum depends on:
a) The length of the pendulum
b) The mass of the pendulum bob
c) The amplitude of the oscillation
d) The gravitational acceleration

a) The length of the pendulum

A spring-mass system is an example of:
a) Simple harmonic motion
b) Damped oscillation
c) Forced oscillation
d) Resonance

a) Simple harmonic motion

The period of a spring-mass system depends on:
a) The mass of the object
b) The spring constant
c) The amplitude of the oscillation
d) The gravitational acceleration

b) The spring constant

The frequency of a spring-mass system depends on:
a) The mass of the object
b) The spring constant
c) The amplitude of the oscillation
d) The gravitational acceleration

b) The spring constant

The resonance frequency of a spring-mass system occurs when:
a) The mass is at its maximum displacement
b) The spring is at its maximum compression
c) The driving frequency matches the natural frequency
d) The amplitude is maximum

c) The driving frequency matches the natural frequency

The condition for resonance in a spring-mass system is:
a) The driving frequency matches the natural frequency
b) The driving frequency is higher than the natural frequency
c) The driving frequency is lower than the natural frequency
d) Resonance can occur at any frequency

a) The driving frequency matches the natural frequency

The displacement of a mass-spring system is maximum at:
a) The equilibrium position
b) The position of maximum compression
c) The position of maximum extension
d) The position of minimum potential energy

b) The position of maximum compression

The velocity of a mass-spring system is maximum at:
a) The equilibrium position
b) The position of maximum compression
c) The position of maximum extension
d) The position of minimum potential energy

a) The equilibrium position

The acceleration of a mass-spring system is maximum at:
a) The equilibrium position
b) The position of maximum compression
c) The position of maximum extension
d) The position of minimum potential energy

c) The position of maximum extension

The period of a mass-spring system is:
a) Independent of the amplitude
b) Proportional to the amplitude
c) Inversely proportional to the amplitude
d) Equal to the amplitude

a) Independent of the amplitude

The frequency of a mass-spring system is:
a) Independent of the amplitude
b) Proportional to the amplitude
c) Inversely proportional to the amplitude
d) Equal to the amplitude

a) Independent of the amplitude

The energy of an oscillating system in simple harmonic motion is:
a) Constant throughout the motion
b) Maximum at the extremes of the motion
c) Maximum at the equilibrium position
d) Zero at all times

a) Constant throughout the motion

The restoring force in a simple pendulum is due to:
a) Gravity
b) Friction
c) Air resistance
d) Magnetic field

a) Gravity

The restoring force in a spring-mass system is due to:
a) Gravity
b) Friction
c) Air resistance
d) Spring deformation

d) Spring deformation

The period of a simple pendulum is affected by:
a) The length of the string
b) The mass of the bob
c) The amplitude of the oscillation
d) All of the above

a) The length of the string

The period of a spring-mass system is affected by:
a) The mass of the object
b) The spring constant
c) The amplitude of the oscillation
d) All of the above

b) The spring constant

The frequency of an oscillation is measured in:
a) Hertz
b) Meters per second
c) Newtons
d) Kilograms

a) Hertz

The period of an oscillation is measured in:
a) Seconds
b) Hertz
c) Newtons
d) Kilograms

a) Seconds

A resonance phenomenon can occur when:
a) The driving frequency matches the natural frequency of the system
b) The driving frequency is higher than the natural frequency of the system
c) The driving frequency is lower than the natural frequency of the system
d) All of the above

a) The driving frequency matches the natural frequency of the system

In a damped oscillation, energy is dissipated in the form of:
a) Heat
b) Sound
c) Light
d) All of the above

d) All of the above

The natural frequency of an oscillating system is determined by:
a) The mass of the system
b) The stiffness of the system
c) The damping factor of the system
d) The driving force applied to the system

b) The stiffness of the system

In a damped oscillation, the amplitude decreases due to:
a) Frictional forces
b) Air resistance
c) Loss of energy
d) All of the above

d) All of the above

A beat frequency is produced when two sound waves:
a) Have the same frequency
b) Have different amplitudes
c) Have different wavelengths
d) Have slightly different frequencies

d) Have slightly different frequencies

The frequency of a wave is inversely proportional to its:
a) Wavelength
b) Amplitude
c) Speed
d) Energy

a) Wavelength

The period of a wave is inversely proportional to its:
a) Wavelength
b) Amplitude
c) Speed
d) Energy

a) Wavelength

The speed of a wave is determined by the:
a) Frequency and wavelength
b) Amplitude and wavelength
c) Frequency and period
d) Amplitude and period

a) Frequency and wavelength

The wavelength of a wave is the distance between:
a) Two successive crests or troughs
b) Two successive compressions or rarefactions
c) Two successive nodes
d) Two successive antinodes

a) Two successive crests or troughs

The amplitude of a wave is a measure of its:
a) Energy
b) Frequency
c) Speed
d) Wavelength

a) Energy

In a transverse wave, the particles of the medium vibrate:
a) Perpendicular to the direction of wave propagation
b) Parallel to the direction of wave propagation
c) In a circular motion
d) In a random motion

a) Perpendicular to the direction of wave propagation

In a longitudinal wave, the particles of the medium vibrate:
a) Parallel to the direction of wave propagation
b) Perpendicular to the direction of wave propagation
c) In a circular motion
d) In a random motion

a) Parallel to the direction of wave propagation

Sound waves are an example of:
a) Transverse waves
b) Longitudinal waves
c) Electromagnetic waves
d) Mechanical waves

b) Longitudinal waves

Light waves are an example of:
a) Transverse waves
b) Longitudinal waves
c) Electromagnetic waves
d) Mechanical waves

c) Electromagnetic waves

The pitch of a sound is determined by its:
a) Amplitude
b) Frequency
c) Wavelength
d) Speed

b) Frequency

The loudness of a sound is determined by its:
a) Amplitude
b) Frequency
c) Wavelength
d) Speed

a) Amplitude

The quality or timbre of a sound is determined by its:
a) Amplitude
b) Frequency
c) Wavelength
d) Harmonics

d) Harmonics

The speed of sound in air depends on:
a) Temperature
b) Pressure
c) Humidity
d) All of the above

d) All of the above

The speed of sound is highest in:
a) Solids
b) Liquids
c) Gases
d) Varies depending on the medium

a) Solids

The reflection of sound waves is called:
a) Refraction
b) Diffraction
c) Interference
d) Echo

d) Echo

The bending of sound waves around obstacles is called:
a) Reflection
b) Diffraction
c) Interference
d) Refraction

b) Diffraction

The phenomenon of interference occurs when:
a) Two waves of the same frequency and amplitude superpose
b) Two waves of different frequencies and amplitudes superpose
c) Two waves of the same frequency and opposite amplitudes superpose
d) Two waves of different frequencies and opposite amplitudes superpose

a) Two waves of the same frequency and amplitude superpose

The principle of superposition applies to:
a) Transverse waves only
b) Longitudinal waves only
c) Electromagnetic waves only
d) All types of waves

d) All types of waves

In a standing wave, the nodes correspond to:
a) Points of maximum displacement
b) Points of minimum displacement
c) Points of maximum velocity
d) Points of minimum velocity

b) Points of minimum displacement

In a standing wave, the antinodes correspond to:
a) Points of maximum displacement
b) Points of minimum displacement
c) Points of maximum velocity
d) Points of minimum velocity

a) Points of maximum displacement

The fundamental frequency of a vibrating string depends on:
a) Its length
b) Its tension
c) Its mass per unit length
d) All of the above

d) All of the above

The harmonics of a vibrating string are:
a) Whole number multiples of the fundamental frequency
b) Fractional multiples of the fundamental frequency
c) Unrelated to the fundamental frequency
d) Equal to the fundamental frequency

a) Whole number multiples of the fundamental frequency

A musical instrument that produces sound by the vibration of air columns is called:
a) String instrument
b) Wind instrument
c) Percussion instrument
d) Brass instrument

b) Wind instrument

The Doppler effect is the change in:
a) Frequency of a wave due to the relative motion of the source and observer
b) Wavelength of a wave due to the relative motion of the source and observer
c) Amplitude of a wave due to the relative motion of the source and observer
d) Speed of a wave due to the relative motion of the source and observer

a) Frequency of a wave due to the relative motion of the source and observer

The redshift observed in the spectra of distant galaxies is an example of:
a) The Doppler effect
b) The photoelectric effect
c) Interference
d) Diffraction