MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A vector, 14 units from the origin, along the X axis, is added to vector 16 units from the origin along the Z axis. What is the resultant vector? |
| A. | 3î + 8\(\hat{z}\) |
| B. | 14î + 16\(\hat{z}\) |
| C. | 16î + 14\(\hat{z}\) |
| D. | 2î + 7\(\hat{z}\) |
| Answer» C. 16î + 14\(\hat{z}\) | |
| 2. |
A vector, 5 units from the origin, along the X axis, is added to vector 2 units from the origin along the Y axis. What is the resultant vector? |
| A. | 3î + 8ĵ |
| B. | 5î + 2ĵ |
| C. | 2î + 5ĵ |
| D. | 2î + 7ĵ |
| Answer» C. 2î + 5ĵ | |
| 3. |
Calculating the relative velocity is an example of ______ |
| A. | Vector addition |
| B. | Vector subtraction |
| C. | Vector multiplication |
| D. | Vector division |
| Answer» C. Vector multiplication | |
| 4. |
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 | |
| 5. |
Unit vector which is perpendicular to the vector 4î + 3ĵ is _____ |
| A. | ĵ |
| B. | î |
| C. | 4î + 3ĵ |
| D. | \(\hat{z}\) |
| Answer» E. | |
| 6. |
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 | |
| 7. |
A vector, 7 units from the origin, along the X axis, is added to vector 11 units from the origin along the Y axis. What is the resultant vector? |
| A. | 3î + 8ĵ |
| B. | 7î + 11ĵ |
| C. | 11î + 7ĵ |
| D. | 2î + 7ĵ |
| Answer» C. 11î + 7ĵ | |
| 8. |
When two vectors in the same direction are added, the magnitude of resulting vector is equal to _______ |
| A. | Sum of magnitudes of the vectors |
| B. | Difference of magnitudes of the vectors |
| C. | Product of magnitudes of the vectors |
| D. | Sum of the roots of magnitudes of the vectors |
| Answer» B. Difference of magnitudes of the vectors | |
| 9. |
Adding î + 77ĵ and 7î + ĵ gives ______ |
| A. | 8î + 78ĵ |
| B. | 0î + 76ĵ |
| C. | î + 74ĵ |
| D. | 78î + 8ĵ |
| Answer» B. 0î + 76ĵ | |
| 10. |
Subtracting 2î + 7ĵ from î + ĵ gives ______ |
| A. | -î – 6ĵ |
| B. | 3î + 8ĵ |
| C. | î + 6ĵ |
| D. | 7ĵ |
| Answer» B. 3î + 8ĵ | |
| 11. |
Adding 2î + 7ĵ and î + ĵ gives ______ |
| A. | 3î + 8ĵ |
| B. | î + 35ĵ |
| C. | î + 8ĵ |
| D. | 2î + 7ĵ |
| Answer» B. î + 35ĵ | |
| 12. |
On adding two vectors we get _____ |
| A. | A vector |
| B. | A scalar |
| C. | A number |
| D. | An operation |
| Answer» B. A scalar | |