Units and Dimensions Assessment
Evaluate your understanding of physical units, dimensional analysis, and related concepts.
Full Name
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First Name
Last Name
Email Address
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example@example.com
Please match each physical quantity to its correct SI unit.
*
Rows
Unit
Length
meter (m)
kilogram (kg)
second (s)
ampere (A)
kelvin (K)
mole (mol)
candela (cd)
Mass
meter (m)
kilogram (kg)
second (s)
ampere (A)
kelvin (K)
mole (mol)
candela (cd)
Time
meter (m)
kilogram (kg)
second (s)
ampere (A)
kelvin (K)
mole (mol)
candela (cd)
Electric Current
meter (m)
kilogram (kg)
second (s)
ampere (A)
kelvin (K)
mole (mol)
candela (cd)
Temperature
meter (m)
kilogram (kg)
second (s)
ampere (A)
kelvin (K)
mole (mol)
candela (cd)
Amount of Substance
meter (m)
kilogram (kg)
second (s)
ampere (A)
kelvin (K)
mole (mol)
candela (cd)
Luminous Intensity
meter (m)
kilogram (kg)
second (s)
ampere (A)
kelvin (K)
mole (mol)
candela (cd)
Which of the following is a derived unit?
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Newton (N)
Meter (m)
Kelvin (K)
Mole (mol)
Other
Select the correct dimensional formula for Force.
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M L T^-2
M L^2 T^-2
M L T^-1
M^2 L T^-2
Other
How confident are you in your understanding of dimensional analysis?
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Not confident
1
2
3
4
Very confident
5
1 is Not confident, 5 is Very confident
Rate the importance of using correct units in scientific calculations.
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1
2
3
4
5
Which of the following pairs is dimensionally consistent?
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Work and Energy
Force and Power
Pressure and Temperature
Length and Area
Other
Please provide an example of a situation where dimensional analysis is used to check the validity of an equation.
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