| 21. |
One light year is equal to |
| A. |
9.5x1015m | B. |
9.5x1015sec |
| C. |
9.5x1015Km | D. |
9.5x1015cm |
Answer: Option A
Explanation:
|
| 22. |
Absolute uncertainty in a measurement depends upon |
| A. |
magnitude of the measurement | B. |
least count of the instrument |
| C. |
percentage error in the measurement | D. |
all of a, b and c |
Answer: Option B
Explanation:
|
| 23. |
Steradian is the SI unit of |
| A. |
plane angle | B. |
solid angle |
| C. |
both plane angle and solid angle | D. |
neither plane angle nor solid angle |
Answer: Option B
Explanation:
|
| 24. |
An ideal standard of measurement of a base quantity has characteristics |
| A. |
accessible | B. |
invariable |
| C. |
transportable | D. |
only a and b are correct |
Answer: Option D
Explanation:
|
| 25. |
Total uncertainty, in result obtained from the subtraction of two measurement, is equal to |
| A. |
sum of their absolute uncertainties | B. |
difference of their absolute uncertainties |
| C. |
product of their absolute uncertainties | D. |
division of their absolute uncertainties |
Answer: Option A
Explanation:
|
| 26. |
Which one is the highest power multiple? |
Answer: Option A
Explanation:
|
| 27. |
One pico stands for |
| A. |
10 raised to power -15 | B. |
10 raised to power -12 |
| C. |
10 raised to power -9 | D. |
10 raised to power -6 |
Answer: Option B
Explanation:
|
| 28. |
Unit of G is? |
Answer: Option B
Explanation:
|
| 29. |
The unit of force is _________ and its symbol is __________. Which is the correct pair? |
| A. |
Newton, n | B. |
Newton, N |
| C. |
newton, n | D. |
newton, N |
Answer: Option D
Explanation:
|
| 30. |
How many main frontiers of fundamental science? |
Answer: Option C
Explanation:
|
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