Resonance in Waves
Physics ⇒ Waves and Sound
Resonance in Waves starts at 10 and continues till grade 12.
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See sample questions for grade 12
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?
A pipe closed at one end resonates at a fundamental frequency of 200 Hz. What is the frequency of its first overtone?
A string fixed at both ends has a length of 1 m and a wave speed of 200 m/s. What is its fundamental frequency?
A tuning fork of frequency 512 Hz is struck and held near a tube open at both ends. Resonance is observed when the length of the air column is 16 cm. What is the speed of sound in air?
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 why resonance is undesirable in some engineering applications.
Explain why soldiers are advised to break step while crossing a bridge.
If a system is driven at a frequency slightly off from its natural frequency, what happens to the amplitude of oscillation?
