Which one of the following scenarios accurately describes a condition in which resonance can occur? a. a vibrating tuning fork is struck and begins to vibrate as the object used to strike it is placed away from the tuning fork. b. a column of air has a height equal to 1⁄8 of the wavelength of the sound waves produced by a tuning fork vibrating over the column of air in an open pipe that's partially immersed in water. c. a pipe's length is equal to 1⁄2 of the wavelength of the sound waves produced by a tuning fork vibrating over one end of the pipe that's open to the air at both ends. d. a person is holding a tuning fork on one end of a football field and another person is holding a separate tuning fork on the opposite end of the field.

Only Condition for Resonance is-

It occurs when the first object is vibrating at the natural frequency of the second object. It always result into a big vibration/loud sound.

Resonance is process by which a vibrating system or an external force drives another system to oscillate with greater frequencies at specific frequencies called resonant frequencies. At resonance frequencies, small periodic driving forces have capacity to produce large amplitude oscillation.

∴ In given scenarios, the case which accurately describes a condition in which resonance can occur is-

C. A pipe's length is equal to 1⁄2 of the wavelength of the sound waves produced by a tuning fork vibrating over one end of the pipe that's open to the air at both ends.

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conservation of mass

mass before something happens = mass afterwards