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 10
Describe how resonance is used in musical instruments.
Describe the relationship between resonance and energy transfer.
Describe what happens to the amplitude of a system when it is in resonance.
Explain why a singer can break a glass by singing at a certain pitch.
A child pushes a swing at regular intervals. The swing reaches its maximum height when the pushing frequency matches the swing's ________.
A closed pipe has a length of 0.25 m. If the speed of sound in air is 340 m/s, what is the fundamental frequency of the pipe?
A guitar string vibrates at 330 Hz. If another string nearby starts vibrating at the same frequency without being plucked, what phenomenon is occurring?
A mass-spring system has a mass of 0.5 kg and a spring constant of 200 N/m. What is its natural frequency? (Use f = (1/2π)√(k/m))
Which of the following best describes resonance? (1) A decrease in energy (2) A matching of frequencies (3) A change in temperature (4) A change in color
Which of the following devices uses resonance to amplify sound? (1) Tuning fork (2) Loudspeaker (3) Stethoscope (4) All of the above
Which of the following is a condition for resonance to occur? (1) The driving frequency must be less than the natural frequency (2) The driving frequency must be equal to the natural frequency (3) The driving frequency must be greater than the natural frequency (4) The driving frequency must be zero
Which of the following is a practical application of resonance? (1) Radio tuning (2) Cooking food (3) Painting walls (4) Freezing water
A child pushes a swing at regular intervals. The swing reaches its maximum height when the pushing frequency matches the swing's ________.
Fill in the blank: In resonance, the energy transfer is most efficient when the driving frequency is ________ to the natural frequency.
Fill in the blank: Resonance can cause ________ in bridges, buildings, and other structures if not properly accounted for.
Fill in the blank: Resonance occurs when the ________ frequency matches the natural frequency of a system.
True or False: Resonance can be dangerous in engineering structures.
True or False: Resonance can be used to selectively amplify certain frequencies in musical instruments.
True or False: Resonance can occur in electrical circuits as well as mechanical systems.
True or False: Resonance can only occur in musical instruments.
