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- 1. Multiple Choice
Which of the following is a basic unit?
area
volume
distance
density
- 2. Multiple Choice
Which of the following is a derived?
temperature
moles
velocity
current
- 3. Multiple ChoiceWhat SI unit is used to measure electric current?secondsamperesKelvinmole
- 4. Multiple Choice
SI stands for ___.
Sports Illustrated
Scientific Notation
International System (of measurements)
Instructional System (of measurements)
- 5. Multiple ChoiceWhich of the following pairs of physical quantity and SI unit is correct ?Mass - SI unit : GramTime - SI unit : HourElectric current - SI unit : VoltTemperature - SI unit : Kelvin
- 6. Multiple ChoiceWhat is base quantities ?the branch of science concerned with the nature and properties of matter and energythe branch of science that deals with the identification of the substances of which matter is composedphysical quantities that cannot be defined in terms of other physical quantities
- 7. Multiple ChoiceWhat is derived quantities ?a tendency to do nothing or to remain unchanged.combination of two or more base quantitiesthe quantity of motion of a moving body, measured as a product of its mass and velocity.
- 8. Multiple Choice
What is the derived unit for energy?
Watts
Kilojoules
joules
kilograms per cubic meter
- 9. Multiple Choice
What are fundamental units?
Fundamental units are the units that not dependent upon any other units.
Fundamental units are the units derived from the basic units.
Fundamental units are the units adopted by the SI
Fundamental units are the units that we use every day for physic calculations
- 10. Multiple Choice
Which ones are fundamental units?
Length
Force
Luminous Intensity
Volume
Electric Current
- 11. Multiple Choice
Which ones are system of units?
C.G.S.
S.T.P.
F.P.S.
M.K.S.
K.C.S.
- 12. Multiple Choice
What is the preferred system of unit with world wide acceptance?
M.K.S. (meter, kilogram, second)
International System (SI)
C.G.S. (centimeter, gram, second)
National System of Units (NSU)
- 13. Multiple Choice
Scientific notation of: 0.000345
3.45x104
3.45x10-4
34.5x104
3.45x10-5
- 14. Multiple Choice
Random error definition
This error are due to unknown causes and occur even when all systematic errors have been account for.
Generally the fault of the person using the instruments; such as incorrect reading, recording or use.
An error that is not determined by chance but is introduced by an inaccuracy (as of observation or measurement) inherent in the system
- 15. Multiple Choice
Systematic error definition
This error are due to unknown causes and occur even when all systematic errors have been account for.
Generally the fault of the person using the instruments; such as incorrect reading, recording or use.
An error that is not determined by chance but is introduced by an inaccuracy (as of observation or measurement) inherent in the system
- 16. Multiple Choice
Which unit of length would be best to measure the distance between 2 cities?
centimetres
millimetres
kilometres
metres
- 17. Multiple Choice
10mm is equal to
1cm
1m
1dm
10cm
- 18. Multiple Choice
is used to determine...
Average
Percent Error
Accuracy
Percent Error
- 19. Multiple Choice
A property that can be measured by a number.
Chemical Property
Intensive Property
Extensive Property
Physical Property
- 20. Multiple Choice
Which of the following quantities does not belong to the group?
Mass
Force
Length
Time
- 21. Multiple Choice
The SI unit consists of _______ fundamental units.
three
two
seven
six
- 22. Multiple Choice
The unit m3 is used to express
volume
mass
length
density
- 23. Multiple Choice
The dimensions of Kinetic energy is same as that of
Force
Pressure
Work
Momentum
- 24. Multiple Choice
Which of the following pairs has the same dimensions?
Specific Heat and Latent Heat
Impulse and Momentum
Surface Tension and Force
Moment of Inertia and Torque
- 25. Multiple Choice
Dimensional formula of density is
[M1L2T0]
[M1L-3T0]
[M1L1T0]
- Answer choicesTagsAnswer choicesTags