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) |