| 1 |
|
- A. 90°
- B. 30°
- C. 60°
- D. 0°
|
| 2 |
Which are the following triples can be direction angles of a single vector: |
- A. 45°,45°,60°
- B. 30°,45°,60°
- C. 45°,60°,60°
- D. 30°,30°,30°
|
| 3 |
|
- A. Unit vector
- B. Null vector
- C. Free vector
- D. None of these
|
| 4 |
If 2 and 2 are x and y-components of a vector, then its angle with x-axis is: |
- A. 30°
- B. 45°
- C. 60°
- D. 90°
|
| 5 |
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|
| 6 |
A null vector is defined as a vector whose magnitude is: |
- A. 1
- B. 2
- C. 0
- D. None of these
|
| 7 |
|
- A. Position vector
- B. Null vector
- C. Unit vector
- D. None of these
|
| 8 |
|
- A. Scalar
- B. Free vector
- C. Unit vector
- D. Null vector
|
| 9 |
|
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| 10 |
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