MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A ball of 80mg mass and a 2*10-8 charge is hung with a thread in a uniform horizontal electric field of 2*104V/m. What is the angle made by the thread with vertical? |
| A. | 27 degree |
| B. | 30 degree |
| C. | 45 degree |
| D. | 0 degree |
| Answer» B. 30 degree | |
| 2. |
An electron of mass m is kept in a vertical electric field of magnitude E. What must be the value of E so that the electron doesn’t fall due to gravity? |
| A. | m*g*e |
| B. | \(\frac {e}{(m*g)}\) |
| C. | \(\frac {(m*g)}{e}\) |
| D. | \(\frac {1}{(m*g*e)}\) |
| Answer» D. \(\frac {1}{(m*g*e)}\) | |
| 3. |
A uniformly charged sphere of radius R has charge +Q. A point charge –q is placed at a distance of 2R from the center of the sphere. The point charge will execute the simple harmonic motion. The statement is _____ |
| A. | False |
| B. | True |
| Answer» B. True | |
| 4. |
Two point charges q1 and q2 are situated at a distance d. There is no such point in between them where the electric field is zero. What can we deduce? |
| A. | There is no such point |
| B. | The charges are of the same polarity |
| C. | The charges are of opposite polarity |
| D. | The charges must be unequal |
| Answer» D. The charges must be unequal | |