| 1 |
Andromeda is one of the billions of galaxies of known. |
- A. Star
- B. Asteroid
- C. Pole
- D. Universe
|
| 2 |
1 micro = |
- A. 10<sup>-3</sup>
- B. 10<sup>-6</sup>
- C. 10<sup>-2</sup>
- D. 10<sup>-12</sup>
|
| 3 |
Significant figures in an expression are. |
- A. All the digits
- B. All accurately known digits
- C. All the accurately known digits and the first doubtful digit.
- D. All the accurately known digits and all the doubtful digits.
|
| 4 |
1 nm have meters. |
- A. 10<sup>-3</sup> m
- B. 10<sup>-6</sup> m
- C. 10<sup>-9</sup> m
- D. 10<sup>-10</sup>m
|
| 5 |
Least count of digital stop watch is. |
- A. 0.01 sec
- B. 0.1 sec
- C. 1 sec
- D. 10 sec
|
| 6 |
The numebr .00580 is scientific notation is. |
- A. 5 .80 x 10<sup>5</sup>
- B. 5 .80 x 10<sup>-4</sup>
- C. 5 .80 x 10<sup>-3</sup>
- D. 5 .80 x 10<sup>-2</sup>
|
| 7 |
The word science means. |
- A. Intelligence
- B. Nature
- C. Knowledge
- D. Philosphy
|
| 8 |
An interval of 200 micro second equivalent to. |
- A. 0.2 s
- B. 0.02 s
- C. 2 x 10<sup>-4</sup> s
- D. 2 x 10<sup>-6</sup> s
|
| 9 |
In measurement 1.032 numbers of significant figure are. |
|
| 10 |
Standards, of physical quantities were established in . |
- A. 1910
- B. 1020
- C. 1950
- D. 1960
|