Which one is the derived quantity in SI units _____________?

A. Electric current
B. Electric charge
C. Plane angle
D. Amount of substance

Which one is the correct representation of the unit of pressure ?

A. Newton/meter2
B. Newton/meter2
C. Newton/meter2
D. Newton/meter2

Which one is the dimensionally correct equation ?

A. F=vt
B. S=vit+1/2at2
C. V=st
D. V=f/t

Zero error of the instrument is a type of_________________?

A. Random error
B. Personal error
C. Systematic error
D. Classified error

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

The number of significant figures in 5.400 is________________?

A. 3
B. 5
C. 2
D. None

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

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

The number 76.85 is rounded off up to two significant figures as_____________?

A. 76.8
B. 77
C. 76.9
D. None of these

Which of the following is not a correct representation method for prefixes______________?

A. 1mm
B. 10km
C. 1000um
D. Both a and b