Entry Test MCQ :: Measurements
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| 31. |
Which one is the derived quantity in SI units? |
| A. |
electric current |
B. |
electric charge |
| C. |
plane angle |
D. |
amount of substance |
Answer: Option B
Explanation:
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| 32. |
Which one is the correct representation of the unit of pressure? |
| A. |
Newton/Meter2 |
B. |
newton/meter2 |
| C. |
Newton/meter2 |
D. |
newton/Meter2 |
Answer: Option B
Explanation:
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| 33. |
Which one is the dimensionally correct equation? |
| A. |
f=vt |
B. |
S=Vit+1/2at2 |
| C. |
V=St |
D. |
V=f/t |
Answer: Option B
Explanation:
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| 34. |
Zero error of the instrument is a type of |
| A. |
random error |
B. |
personal error |
| C. |
systematic error |
D. |
classified error |
Answer: Option C
Explanation:
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| 35. |
In multiplication and division of measurement |
| A. |
percentage uncertainties are added |
B. |
absolute uncertainties are added |
| C. |
percentage uncertainties are divided |
D. |
absolute uncertainties are divided |
Answer: Option A
Explanation:
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| 36. |
The number of significant figures in 5.400 are |
Answer: Option D
Explanation:
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| 37. |
To reduce the uncertainty in the timing experiment |
| A. |
highly precise instrument |
B. |
conduct at room temperature |
| C. |
count more number of vibration |
D. |
both a and c |
Answer: Option D
Explanation:
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| 38. |
The unmber of significant figures in the length of a bar 6200mm measured by meter rod are |
| A. |
four |
B. |
three |
| C. |
two |
D. |
none of these |
Answer: Option A
Explanation:
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| 39. |
The number 76.85 is rounded off upto two significant figures as |
Answer: Option B
Explanation:
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| 40. |
Which of the following is not a correct representation method for prefixes |
| A. |
1mm |
B. |
10km |
| C. |
1000um |
D. |
both (a) and (b) |
Answer: Option C
Explanation:
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