A quantity that can be measured is called:
A physical quantity is a property that can be measured, such as length, mass, or time.
Which of the following units is a fundamental unit?
Time is one of the fundamental units in the International System of Units (SI).
What is the correct order, in increasing size, for measurement of length?
The correct order from smallest to largest is millimeter, centimeter, and meter.
A mass of 4 kg is equal to:
Since 1 kg is equal to 1000 grams, 4 kg is equal to 4000 grams.
0.05 kilometer is equal to:
0.05 kilometers is equal to 50 meters.
The unit of electric current in SI system is:
The SI unit for electric current is the Ampere.
Cubic meter is a unit of:
A cubic meter is a unit of volume.
A measuring cylinder is used in laboratories for measuring:
A measuring cylinder is used to measure the volume of liquids.
How many basic units are in the SI system?
The SI system consists of seven basic units.
What is a meter scale used to measure?
A meter scale is used to measure length.
What must be done to avoid error in reading a scale?
To avoid parallax error, you should keep your eye directly in line with the reading on the scale.
Which instrument is used to measure the exact volume of a liquid?
A measuring cylinder is used to measure the exact volume of a liquid.
What material are laboratory flasks usually made of?
Laboratory flasks are usually made of glass for its chemical resistance and transparency.
What is a pipette used for?
A pipette is used for transferring small, measured volumes of liquids.
What are fundamental quantities?
Fundamental quantities are those that cannot be derived from other quantities and are independent.
Which of the following is a fundamental quantity?
Mass is a fundamental quantity in the SI system.
Derived quantities depend on:
Derived quantities are those that depend on two or more fundamental quantities.
Which is a derived quantity?
Area is a derived quantity, calculated from the product of two lengths.
Which of these is a fundamental unit?
The meter is a fundamental unit of length in the SI system.
Which of these is a derived unit?
Velocity is a derived unit, calculated from distance divided by time.
What are the base units in the FPS system?
The FPS system uses foot, pound, and second as its base units.
The CGS system uses which unit for length?
The CGS system uses the centimeter as its unit for length.
Which of these is the SI unit for time?
The SI unit for time is the second.
What is the SI unit for electric current?
The SI unit for electric current is the Ampere.
1 kilometer equals:
1 kilometer is equal to 1000 meters.
1 millisecond equals:
1 millisecond is equal to \(10^{-3}\) seconds.
The prefix for \(10^{-9}\) is:
The prefix for \(10^{-9}\) is nano.
Which instrument is used to measure length, height, or width of objects?
A meter rule is used to measure the length, height, or width of objects.
What is the total length of a standard meter rule?
A standard meter rule is 100 centimeters long.
Which of these is the smallest division a meter rule can measure?
The smallest division a meter rule can typically measure is 1 millimeter.
To avoid zero error on a worn-out ruler, measurement should begin from:
To avoid zero error on a worn-out ruler, it is common to start measurements from the 1 cm mark.
Which instrument is used to measure the volume of a liquid accurately in a lab?
A measuring cylinder is used to measure the volume of a liquid accurately in a lab.
A measuring cylinder is also known as a:
A measuring cylinder is also known as a graduated cylinder.
Which instrument is more precise than a measuring cylinder for liquid measurement?
A volumetric flask is more precise than a measuring cylinder for liquid measurement.
Which tool is best for transferring small, accurate volumes of liquids?
A pipette is best for transferring small, accurate volumes of liquids.