Physics ยท Science General
Units and Measurement
1,044 Questions
Master the fundamentals of physics with these practice questions on units and measurement. The topics include fundamental SI units, derived quantities, and specific units for power, force, and light. These questions are essential for building a strong foundation for competitive exams.
SI fundamental unitsUnits of powerDerived quantities unitsThermal energy unitsVolume measurement unitsElectric current units
Units and Measurement Questions
What is the unit of transmissivity?
A
Correct answer
Explanation
The unit of transmissivity is m^2/s.
What is the unit of storativity?
A
Correct answer
Explanation
The unit of storativity is dimensionless.
What is the unit of specific yield?
A
Correct answer
Explanation
The unit of specific yield is dimensionless.
What is the SI unit of mass?
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Kilogram
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Gram
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Pound
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Ounce
A
Correct answer
Explanation
The SI unit of mass is the kilogram.
What is the international system of units called?
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SI
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Metric System
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Imperial System
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US Customary System
A
Correct answer
Explanation
SI stands for Systeme International d'Unites, and it is the international system of units.
What is the base unit of length in the SI system?
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Meter
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Kilogram
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Second
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Kelvin
A
Correct answer
Explanation
The base unit of length in the SI system is the meter.
What is the base unit of mass in the SI system?
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Meter
-
Kilogram
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Second
-
Kelvin
B
Correct answer
Explanation
The base unit of mass in the SI system is the kilogram.
What is the base unit of time in the SI system?
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Meter
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Kilogram
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Second
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Kelvin
C
Correct answer
Explanation
The base unit of time in the SI system is the second.
What is the base unit of temperature in the SI system?
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Meter
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Kilogram
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Second
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Kelvin
D
Correct answer
Explanation
The base unit of temperature in the SI system is the Kelvin.
What is the term "physics" derived from?
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Greek
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Latin
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Sanskrit
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Arabic
A
Correct answer
Explanation
The term "physics" is derived from the Greek word "physis," which means "nature." It refers to the science of matter and energy and their interactions.
What is the SI unit of mass?
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Gram
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Kilogram
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Pound
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Ounce
B
Correct answer
Explanation
The SI unit of mass is the kilogram (kg).
Which of the following is not a unit of length?
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Meter
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Centimeter
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Kilometer
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Second
D
Correct answer
Explanation
The second is a unit of time, not length.
The energy stored in organic matter is measured in:
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Joules
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Calories
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Kilowatt-hours
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British Thermal Units
B
Correct answer
Explanation
The energy content of food is typically measured in calories.
What is the SI unit of temperature?
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Celsius
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Fahrenheit
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Kelvin
C
Correct answer
Explanation
The SI unit of temperature is Kelvin, denoted by K. It is based on absolute zero, which is the lowest possible temperature.
Which of the following is a unit of heat?
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Joule
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Calorie
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Watt
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Kelvin
B
Correct answer
Explanation
The calorie is a unit of heat energy, commonly used to measure the energy content of food and the heat output of appliances.