MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The periodic time of a body executing simple harmonic motion is 4s. After how many intervals from time t=0, its displacement will be half of its amplitude? |
| A. | <sup>1</sup> <sub>2</sub> s |
| B. | 1/3 s |
| C. | <sup>1</sup> <sub>4</sub> s |
| D. | 1/6 s |
| Answer» C. <sup>1</sup> <sub>4</sub> s | |
| 2. |
A spring (spring constant = k) is cut into 4 equal parts and two parts are connected in parallel. What is the effective spring constant? |
| A. | 4k |
| B. | 16k |
| C. | 8k |
| D. | 6k |
| Answer» D. 6k | |
| 3. |
Statement: Water in a U-tube executes simple harmonic motion. The time period for mercury filled up to the same height in the U-tube be greater than that in case of water.
|
| A. | Both statement and reason are true and the reason is the correct explanation of the statement |
| B. | Both statement and reason are true but the reason is not the correct explanation of the statement |
| C. | Statement is true, but the reason is false |
| D. | Statement and reason are false |
| Answer» E. | |
| 4. |
If a spring of mass 30kg has a spring constant of 15N/m, then its time period is ___________ |
| A. | 2 s |
| B. | 2 2 s |
| C. | 2 2 s |
| D. | 2 2 s |
| Answer» C. 2 2 s | |
| 5. |
The ratio of frequencies of two pendulums is 2:3 then their lengths are in ratio ___________ |
| A. | (2/3) |
| B. | (3/2) |
| C. | 4/9 |
| D. | 9/4 |
| Answer» E. | |
| 6. |
The total energy of a particle executing simple harmonic motion is ___________ |
| A. | x |
| B. | x<sup>2</sup> |
| C. | Independent of x |
| D. | x |
| Answer» D. x | |