| 11. |
|
||||||||
|
Answer:
Option (a) |
| 12. |
(3, 6, -9) and _____ have same direction ratios.
|
||||||||
|
Answer:
Option (c) |
| 13. |
|
||||||||
|
Answer:
Option (a) |
| 14. |
|
||||||||
|
Answer:
Option (c) |
| 15. |
|
||||||||
|
Answer:
Option (b) |
| 16. |
|
||||||||
|
Answer:
Option (b) |
| 17. |
|
||||||||
|
Answer:
Option (a) |
| 18. |
|
||||||||
|
Answer:
Option (c) |
| 19. |
The unit vector in the direction of sum of the vectors (1, 1, 1), (2, -1, -1) and (0, 2, 6) is _____ .
|
||||||||
|
Answer:
Option (d) |
| 20. |
The expression _____ is meaningless.
|
||||||||
|
Answer:
Option (c) |