Units of Measurement, System of Units and SI Units NEET Questions

Physics - Physics and Measurement
Units of Measurement, System of Units and SI Units

Units of Measurement, System of Units and SI Units MCQ Questions


13.
The number of significant figures in 0.2370 g cm⁻³ is:
A.
4
B.
3
C.
5
D.
2
😑 View Answer Error
ANSWER :
A. 4
14.
Mass = 4.237 g (4 sig figs), Volume = 2.51 cm³ (3 sig figs). Density should be reported to:
A.
3 significant figures
B.
4 significant figures
C.
2 significant figures
D.
11 decimal places
😑 View Answer Error
ANSWER :
A. 3 significant figures
15.
Sum of 436.32 g + 227.2 g + 0.301 g rounded correctly is:
A.
663.821 g
B.
663.82 g
C.
663.8 g
D.
664 g
😑 View Answer Error
ANSWER :
C. 663.8 g
16.
The number of significant figures in 6.320 J is:
A.
2
B.
3
C.
4
D.
5
😑 View Answer Error
ANSWER :
C. 4
17.
Which rule applies to addition and subtraction of measured quantities?
A.
Retain least significant figures
B.
Retain most significant figures
C.
Retain least decimal places
D.
Retain most decimal places
😑 View Answer Error
ANSWER :
C. Retain least decimal places
18.
In 123 m = 12300 cm = 123000 mm, the number of significant figures is:
A.
6 in all cases
B.
3 in all cases
C.
5 in last case
D.
Varies with unit
😑 View Answer Error
ANSWER :
B. 3 in all cases
Prev Next page