physics ncert solutions class 11th Physics Class 11th Oscillations

14.3 Fig. 14.23 depicts four x-t plots for linear motion of a particle. Which of the plots represent periodic motion? What is the period of motion (in case of periodic motion)?

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Answered by

Vishal Baghel | Contributor-Level 10

5 months ago

(a) It is not a periodic motion. It represents a unidirectional, linear uniform motion. There is no repetition of motion

(b) In this case, the motion of the particle repeats itself after 2 s. Hence, it is a periodic motion, having a period of 2 s

(c) It is not a periodic motion. This is because the particle repeats the motion in one position only. For a periodic motion, the entire motion of the particle must be repeated in equal intervals of time

(d) In this case, the motion of the particle repeats itself after 2 s. Hence, it is periodic motion, having a period of 2 s

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