MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
The vector 40î + 30ĵ is added to a vector. The result gives 15î + 3ĵ as the answer. The unknown vector is _____ |
| A. | -25î – 27ĵ |
| B. | 25î + 27ĵ |
| C. | -25î + 27ĵ |
| D. | 25î – 27ĵ |
| Answer» B. 25î + 27ĵ | |
| 2. |
Unit vector which is perpendicular to the vector 4î + 3ĵ is _____ |
| A. | ĵ |
| B. | î |
| C. | 4î + 3ĵ |
| D. | \(\hat{z}\) |
| Answer» E. | |
| 3. |
Unit vector along the vector 4î + 3ĵ is _____ |
| A. | (4î + 3ĵ)/5 |
| B. | 4î + 3ĵ |
| C. | (4î + 3ĵ)/6 |
| D. | (4î + 3ĵ)/10 |
| Answer» B. 4î + 3ĵ | |
| 4. |
Adding î + 77ĵ and 7î + ĵ gives ______ |
| A. | 8î + 78ĵ |
| B. | 0î + 76ĵ |
| C. | î + 74ĵ |
| D. | 78î + 8ĵ |
| Answer» B. 0î + 76ĵ | |
| 5. |
Subtracting 2î + 7ĵ from î + ĵ gives ______ |
| A. | -î – 6ĵ |
| B. | 3î + 8ĵ |
| C. | î + 6ĵ |
| D. | 7ĵ |
| Answer» B. 3î + 8ĵ | |
| 6. |
Adding 2î + 7ĵ and î + ĵ gives ______ |
| A. | 3î + 8ĵ |
| B. | î + 35ĵ |
| C. | î + 8ĵ |
| D. | 2î + 7ĵ |
| Answer» B. î + 35ĵ | |