Measurements

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

The number 76.85 is rounded off upto 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)

Which one is the highest power multiple?

A.giga B.beta C.mega D.deca

One pico stands for

A.10 raised to power -15 B.10 raised to power -12 C.10 raised to power -9 D.10 raised to power -6

Unit of G is?

A.Nm2Kg2 B.Nm2Kg C.Nm2Kg-2 D.none

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

A.1 B.2 C.3 D.4

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