Which of the following examples represent periodic motion?
1. | A swimmer completing one (return) trip from one bank of a river to the other and back. |
2. | A freely suspended bar magnet displaced from its N-S direction and released. |
3. | Swaying of the branches of the tree. |
4. | An arrow released from a bow. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe figure depicts four \((\mathrm{x\text-t})\) plots for the linear motion of a particle.
(a) | |
(b) | |
(c) | |
(d) |
Which of the following is true?
1. (a) is periodic but (c) is not periodic.
2. (b) is periodic but (d) is not periodic.
3. (b) and (d) are periodic.
4. only (c) is periodic.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology