MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The angular speed of a body in uniform circular motion is the same as the angular frequency of SHM of its projection. True or False? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
If a body in uniform circular motion covers the given angle in 0.5s, what is the time period of projection, on the x-axis, undergoing SHM? Assume it moves anti-clockwise. |
| A. | 4s |
| B. | 1s |
| C. | 2s |
| D. | 3s |
| Answer» B. 1s | |
| 3. |
A ball is hanging from a thread. It is given some speed such that the ball makes a complete circle under the influence of gravity. The projection of the ball on the x-axis will be an SHM. True or False? |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
A ball tied to the end of a string of length 10cm is rotated with constant speed of 2m/s in a circle about the origin. Find the equation of projection of the ball on the x-axis. At t=0, the ball makes an angle of 45° with the x-axis & is travelling in anticlockwise direction. |
| A. | 0.1sin(20t + 3π/4) |
| B. | 0.1cos(20t + π/4) |
| C. | 10sin(20t + π/4) |
| D. | 10cos(20t – 3π/4) |
| Answer» B. 0.1cos(20t + π/4) | |
| 5. |
In the given phasor diagram what should be the minimum velocity of particle 2 at mean position so that it catches particle 1 before it reaches the extreme position? The projection of motion of particle 1 on x-axis is governed by the equation: x = 4sin(2t). |
| A. | 8m/s |
| B. | 16m/s |
| C. | 4m/s |
| D. | 12m/s |
| Answer» C. 4m/s | |