KIDS QUIZ
MUSICAL INSTRUMENTS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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how high or low a sound is
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rapid back and forth movements
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how loud or soft a sound is
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none of the above
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Detailed explanation-1: -The rapid back and forth movement or quivering of an electric toothbrush or a mild earthquake is a vibration. The Latin vibratus, “move quickly to and fro” is the root word. Definitions of vibration. a shaky motion. synonyms: palpitation, quiver, quivering, shakiness, shaking, trembling.
Detailed explanation-2: -When an object moves back and forth, it is called a vibration. Vibrations carry energy. Waves are a method of transporting energy. A wave involves some quantity or disturbance that changes in magnitude with respect to time at a given location and changes in magnitude from place to place at a given time.
Detailed explanation-3: -These waves are called mechanical waves. A single, nonrepeating disturbance is called a pulse wave. If the motion responsible for the wave disturbance is periodic, a periodic wave, or wave train, is produced.
Detailed explanation-4: -When a body moves constantly from one position to the other and back to the initial position, then this motion of the body is called vibration.