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25 questions
Which of the following is a basic unit?
area
volume
distance
density
Which of the following is a derived?
temperature
moles
velocity
current
SI stands for ___.
Sports Illustrated
Scientific Notation
International System (of measurements)
Instructional System (of measurements)
What is the derived unit for energy?
Watts
Kilojoules
joules
kilograms per cubic meter
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
Which ones are fundamental units?
Length
Force
Luminous Intensity
Volume
Electric Current
Which ones are system of units?
C.G.S.
S.T.P.
F.P.S.
M.K.S.
K.C.S.
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)
Scientific notation of: 0.000345
3.45x104
3.45x10-4
34.5x104
3.45x10-5
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
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
Which unit of length would be best to measure the distance between 2 cities?
centimetres
millimetres
kilometres
metres
10mm is equal to
1cm
1m
1dm
10cm
n∑x=x is used to determine...
Average
Percent Error
Accuracy
Percent Error
A property that can be measured by a number.
Chemical Property
Intensive Property
Extensive Property
Physical Property
Which of the following quantities does not belong to the group?
Mass
Force
Length
Time
The SI unit consists of _______ fundamental units.
three
two
seven
six
The unit m3 is used to express
volume
mass
length
density
The dimensions of Kinetic energy is same as that of
Force
Pressure
Work
Momentum
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
Dimensional formula of density is
[M1L2T0]
[M1L-3T0]
[M1L1T0]
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