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Entry Test MCQ :: Measurements


21.  One light year is equal to
A. 9.5x1015m B. 9.5x1015sec
C. 9.5x1015Km D. 9.5x1015cm

22.  Absolute uncertainty in a measurement depends upon
A. magnitude of the measurement B. least count of the instrument
C. percentage error in the measurement D. all of a, b and c

23.  Steradian is the SI unit of
A. plane angle B. solid angle
C. both plane angle and solid angle D. neither plane angle nor solid angle

24.  An ideal standard of measurement of a base quantity has characteristics
A. accessible B. invariable
C. transportable D. only a and b are correct

25.  Total uncertainty, in result obtained from the subtraction of two measurement, is equal to
A. sum of their absolute uncertainties B. difference of their absolute uncertainties
C. product of their absolute uncertainties D. division of their absolute uncertainties

26.  Which one is the highest power multiple?
A. giga B. beta
C. mega D. deca

27.  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

28.  Unit of G is?
A. Nm2Kg2 B. Nm2Kg
C. Nm2Kg-2 D. none

29.  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

30.  How many main frontiers of fundamental science?
A. 1 B. 2
C. 3 D. 4




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