Resonance in Waves
Physics ⇒ Waves and Sound
Resonance in Waves starts at 10 and continues till grade 12.
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A mass-spring system has a natural frequency of 5 Hz. If an external force of frequency 5 Hz is applied, what phenomenon will occur?
Describe how resonance is used in tuning musical instruments.
Describe what happens to the amplitude of oscillation at resonance.
Explain the role of resonance in the functioning of a microwave oven.
Explain why a glass can shatter when a singer hits a certain note.
Explain the role of resonance in the functioning of a microwave oven.
Explain why soldiers are advised to break step while crossing a bridge.
The Tacoma Narrows Bridge collapse in 1940 is an example of ________ in a large structure.
A child on a swing is an example of which type of resonance?
(1) Mechanical resonance
(2) Electrical resonance
(3) Acoustic resonance
(4) Magnetic resonance
Which of the following best defines resonance in the context of waves?
(1) The increase in amplitude when the frequency of an external force matches the natural frequency of a system
(2) The decrease in amplitude due to damping
(3) The reflection of waves at a boundary
(4) The interference of two waves of different frequencies
Which of the following best describes the quality factor (Q) in resonance?
(1) The ratio of energy stored to energy dissipated per cycle
(2) The frequency of the driving force
(3) The amplitude of oscillation
(4) The mass of the system
Which of the following factors does NOT affect the natural frequency of a vibrating string?
(1) Length of the string
(2) Tension in the string
(3) Material of the string
(4) Color of the string
A system with high damping will have a ________ resonance peak.
Resonance occurs when the frequency of the applied force is ________ to the natural frequency of the system.
The amplitude of a driven oscillator at resonance is ________ compared to its amplitude at other frequencies.
The natural frequency of a system is the frequency at which it tends to oscillate in the absence of any ________.
If the frequency of the driving force is much higher than the natural frequency of a system, will resonance occur?
True or False: Damping reduces the sharpness of resonance.
True or False: In resonance, energy is transferred most efficiently from the driving force to the system.
True or False: Resonance can occur in both open and closed pipes.
