Smaller the least count of the instrument more is the measurement________________?
(A) Accurate
(B) Precise
(C) Accurate and precise
(D) None of these
A digit zero in a measurement__________________?
(A) May be significant may not significant
(B) Always significant
(C) Always insignificant sign
(D) Significant only if left to a significant figure
Which one is the derived quantity in SI units _____________?
(A) Electric current
(B) Electric charge
(C) Plane angle
(D) Amount of substance
One light year is equal to________________?
(A) 9.5x1015m
(B) 9.5x1015sec
(C) 9.5x1015Km
(D) 9.5x1015cm
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
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