Search
.Management Sciences
Category: Measurements
One pico stands for_________________?
0
A. 10 raised to power -15
B. 10 raised to power -12
C. 10 raised to power -9
D. 10 raised to power -6
To reduce the uncertainty in the timing experiment______________?
A. Highly precise instrument
B. Conduct at room temperature
C. Count number of vibration
D. Both a and C
Which of the following is not a correct representation method for prefixes______________?
A. 1mm
B. 10km
C. 1000um
D. Both A and B
The number of significant figures in the length of a bar 6200mm measured by meter rod is_______________?
A. 4
B. 3
C. 2
D. None of these
Random errors can be reduced by_______________?
A. Taking zero correction
B. Comparing the instrument with another more accurate one
C. Taking mean of several measurements
D. All methods explained in A, B and C
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
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
Recent Comments