We have the best collection of Uncertainty in Measurement MCQs and answer with FREE PDF. These Uncertainty in Measurement MCQs will help you to prepare for any competitive exams like: NEET, AIIMS, JEE Mains, JEE Advance, IIT JEE, JIPMER and other Exams at all levels – you just have to practice regularly.
Uncertainty in Measurement MCQs
1. A piece of iron is 5 inches long. How much would it be in centimeters?
a) 12.7 cm
b) 6.35 cm
c) 5 cm
d) 500 cm
Answer: 12.7 cm
2. How many significant figures does 0.057 have?
a) 2
b) 4
c) 3
d) 0
Answer: 2
3. How many significant figures does 63180 have?
a) 5
b) 4
c) 1
d) 2
Answer: 4
4. The exact value is 150m. A students record it as 140.1m in 1st turn and 140.8m in the 2nd turn. Comment his/her recordings.
a) precise
b) accurate
c) neither precise nor accurate
d) both precise and accurate
Answer: precise
5. The exact value is 150m. A students record it as 149.1m in 1st turn and 150.8m in the 2nd turn. Comment his/her recordings.
a) precise
b) accurate
c) neither precise nor accurate
d) both precise and accurate
Answer: accurate
6. Multiply 1.2 and 3.91. Obtain the result as per the rules of significant figures.
a) 4.692
b) 4.69
c) 5
d) 4.7
Answer: 4.7
7. How many significant figures are there in 60.6?
a) 4
b) 2
c) 3
d) 1
Answer: 3
8. Write 6354000000 in scientific notation.
a) 6.354 x 109
b) 6354 x 106
c) 0.64 x 1010
d) 6354000 x 103
Answer: 6.354 x 109
9. _________ is referred to as the closeness of different measurements for the same quantity.
a) Accuracy
b) Precision
c) Analysis
d) Dimension
Answer: Precision
10. How many seconds are there in a half day?
a) 86,400 seconds
b) 43,200 seconds
c) 172,800 seconds
d) 3660 seconds
Answer: 43,200 seconds