A. 76.8
B. 77
C. 76.9
D. None of these
Measurements
The number of significant figures in 5.400 is________________?
A. 3
B. 5
C. 2
D. None
SI unit of the coefficient of viscosity is___________________?
A. Kg.m.S-1
B. Kg m-1.S-1
C. Kg.m.S
D. Kg-1.m-1.S-1
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
Which branch of science plays an important role in the development of technology and engineering ?
A. Chemistry
B. Physics
C. Geology
D. Biology
In any measurement the significant figures are______________?
A. All accurately known and all doubtful digits
B. Only accurately known digits
C. Only doubtful digits
D. All accurately known digits and the first doubtful digit
1024 can be written in scientific notation as______________?
A. 1.024×103
B. 2 Raised to power 10
C. 0.000976
D. 1/0.00097
Total uncertainty, in the result obtained from the subtraction of two measurements, is equal to_______________?
A. Sum of their absolute uncertainties
B. The difference of their absolute uncertainties
C. The product of their absolute uncertainties
D. Division of their absolute uncertainties
An ideal standard of measurement of a base quantity has characteristics_______________?
A. Accessible
B. Invariable
C. Transportable
D. Only a and b are correct
The uncertainty in a measurement may occur due to_______________?
A. Limitation of an instrument
B. Natural variation of the object to be measured
C. Inadequate technique
D. All given in A, B and C
