MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the result when + 14ĵ is multiplied by 49? |
| A. | 7 + 98ĵ |
| B. | 98 + 14ĵ |
| C. | 7 + 98ĵ |
| D. | ( + 7ĵ)* 49 |
| Answer» B. 98 + 14ĵ | |
| 2. |
A car travels 5m in X direction and then 7m in Y direction. What is the final vector position of the car with respect to the origin? |
| A. | 5 + 7ĵ |
| B. | 7 + 5ĵ |
| C. | 7 + 7ĵ |
| D. | 5 + 5ĵ |
| Answer» B. 7 + 5ĵ | |
| 3. |
What happens when a vector is multiplied by a scalar? |
| A. | Its magnitude gets multiplied by that much amount |
| B. | Its direction rotates in XY plane by that much angle |
| C. | Its direction rotates in YZ plane by that much angle |
| D. | Its direction rotates in ZX plane by that much angle |
| Answer» B. Its direction rotates in XY plane by that much angle | |
| 4. |
A unit vector has the magnitude of ___ |
| A. | 5 |
| B. | 1 |
| C. | 10 |
| D. | 0 |
| Answer» C. 10 | |
| 5. |
Eleven times unit vector along X added to 7 times unit vector along Y gives ______ |
| A. | 11 + 7ĵ |
| B. | 7 + 11ĵ |
| C. | 7 + 7ĵ |
| D. | 11 + 11ĵ |
| Answer» B. 7 + 11ĵ | |
| 6. |
Dividing 5 + 10ĵ by 5 gives ______ |
| A. | + 2ĵ |
| B. | + 4ĵ |
| C. | + ĵ |
| D. | 2 + ĵ, |
| Answer» B. + 4ĵ | |
| 7. |
Multiplying 2 + 7ĵ by 5 gives ______ |
| A. | 10 + 35ĵ |
| B. | 2 + 35ĵ |
| C. | 10 + 7ĵ |
| D. | 2 + 7ĵ |
| Answer» B. 2 + 35ĵ | |