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CHAPTER 10 NOtes for kpk studetns SIMPLE HARMONIC MOTION & WAVES Q1: Define oscillatory motion. Explain with examples. Ans. Oscillatory Motion. “The to and fro motion of a body about its mean position is known as oscillatory motion”. (OR) “The back and forth motion of a body about its equilibrium position is known as oscillatory motion”. Explanation The oscillatory motion is also known as vibratory motion. If a body moves back and forth over the same path, then such motion of the body is known as oscillatory motion. BANK OF MCQS               BANK OF MCQS               BANK   OF MCQS Examples The examples of oscillatory motion are given below: 1.        Motion of simple pendulum. 2.        Motion of wires of sitar and violin. 3.        Motion of a body attached to an elastic spring. Q2. Define periodic motion. Explain with examples. Find the relation between the frequency and time period of a periodic motion. Ans. Periodic Motion. “The mot