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Q. No.The figure gives the x-t plot of a particle executing a one-dimensional simple harmonic motion. Then the signs of position & velocity variables of the particle at t = -1.2 sec respectively are:
| 1. | positive, negative |
| 2. | positive, positive |
| 3. | negative, positive |
| 4. | negative, negative |
Subtopic: Â Instantaneous Speed & Instantaneous Velocity |
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Level 3: 35%-60%
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The position-time \((x\text-t)\) graphs for two children \(A\) and \(B\) returning from their school \(O\) to their homes \(P\) and \(Q\) respectively are shown in the graph.
Choose the incorrect statement:
| 1. | \(B\) reaches home faster than \(A.\) |
| 2. | \(B\) overtakes \(A\) on the road twice. |
| 3. | \(B\) walks faster than \(A.\) |
| 4. | \(A\) lives closer to the school than \(B.\) |
Subtopic: Â Instantaneous Speed & Instantaneous Velocity |
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Level 2: 60%+
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The instantaneous speed is always:
| 1. | Less than the magnitude of instantaneous velocity. |
| 2. | Greater than the magnitude of instantaneous velocity. |
| 3. | Equal to the magnitude of instantaneous velocity. |
| 4. | May be less or greater than the magnitude of instantaneous velocity. |
Subtopic: Â Instantaneous Speed & Instantaneous Velocity |
 64%
Level 2: 60%+
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Q. No.
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