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. |
A vector can be resolved along ______ |
| A. | Only one direction |
| B. | Only two directions |
| C. | Only three directions |
| D. | Only in independent directions |
| Answer» E. | |
| 2. |
A vector is represented as 4 + 3ĵ. What is its magnitude? |
| A. | 5 |
| B. | 10 |
| C. | 4 |
| D. | 3 |
| Answer» B. 10 | |
| 3. |
A force vector (50 N) is making and angle of 30 degrees with X axis has a vertical component of magnitude ___ |
| A. | 25 |
| B. | 55 |
| C. | 50 |
| D. | 100/ 3 |
| Answer» B. 55 | |
| 4. |
A velocity vector (5m/s) is making and angle of 60 degrees with X axis has a horizonal component of magnitude ___ |
| A. | 2.5 |
| B. | 5.5 |
| C. | 5 |
| D. | 10/ 3 |
| Answer» B. 5.5 | |
| 5. |
What is the resolved form for a vector which is 5 units in long and is inclined at an angle of 45 degrees to the X axis? |
| A. | ( frac{1}{ sqrt{2}} hat{i} + frac{1}{ sqrt{2}} hat{j} ) |
| B. | ( frac{5}{ sqrt{2}} hat{i} + frac{5}{ sqrt{2}} hat{j} ) |
| C. | ( frac{5}{ sqrt{2}} hat{i} + frac{15}{ sqrt{2}} hat{j} ) |
| D. | ( frac{10}{ sqrt{2}} hat{i} + frac{10}{ sqrt{2}} hat{j} ) |
| Answer» C. ( frac{5}{ sqrt{2}} hat{i} + frac{15}{ sqrt{2}} hat{j} ) | |
| 6. |
What is the standard form for the resolution of a vector having magnitude a and is inclined at an angle to the X axis? |
| A. | a(cos + sin ĵ) |
| B. | a(sin + cos ĵ) |
| C. | a(sin + sin ĵ) |
| D. | a(cos + cos ĵ) |
| Answer» B. a(sin + cos ĵ) | |
| 7. |
The splitting of a vector into two component vectors is called ______ |
| A. | Vector resolution |
| B. | Vector sum |
| C. | Vector decomposition |
| D. | Vector difference |
| Answer» B. Vector sum | |