Measurements Mcqs
Our collections of Multiple choice questions and answers focuses on study of Measurements in Physics. These questions are chosen from a collection of most authoritative and best reference books on Physics. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate knowledge on Measurements in Physics comprehensively.
2. A digit zero in a measurement
May be significant may not significant
Always significant
Always insignificantsig
Significant only if left to a significant figure
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3. Absolute uncertainty in a measurement depends upon
Magnitude of the measurement
Least count of the instrument
Percentage error in the measurement
All of a, b and c
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4. An ideal standard of measurement of a base quantity has characteristics
Accessible
Invariable
Transportable
Only a and b are correct
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5. Dimensional analysis is helpful for
Deriving a possible formula
Checking the homogeneity of a physical equation
Verification of laws
Only a and b are correct
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6. How many main frontiers of fundamental science?
1
2
3
4
7. How many types of units are in SI?
One
Two
Three
Four
8. In any measurement the significant figures are
All accurately known and all doubtful digits
Only accurately known digits
Only doubtful digits
All accurately known digits and the first doubuful digit
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9. In multiplication and division of measurement
Percentage uncertainties are added
Absolute uncertainties are added
Percentage uncertainties are divided
Absolute uncertainties are divided
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10. In scientific notation numbers are expressed in
Power of ten
Powers of two
Reciprocal
Decimal
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11. ML-1 T-2 is the dimension of
Force
Pressure
Momentum
Energy
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12. Number of significant figures in 0.0173 are
Three
Four
Five
Two
13. One light year is equal to
9.5x1015m
9.5x1015sec
9.5x1015Km
9.5x1015cm
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14. One pico stands for
10 raised to power -15
10 raised to power -12
10 raised to power -9
10 raised to power -6
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15. Preftix deca represents
10 Raised to power 1
10 Raised to power 2
10 Raised to power 3
10 Raised to power -1
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