0
Why do you need to measure physical quantities and express them using the appropriate units?
Wiki User
∙ 11y ago
to know what is the measure
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
Give at least 10 physical quantities and their units?
Write about 10 instruments which are used to measure different physical quantities i.e. - mass, volume, time and temperature
Is challenging people a physical security measure?
Challenging is a physical security measure that is appropriate in certain situations. Places challenging people for security measures is appropriate are prisons and military sites.
What are Physical quantities?
They are properties that you can measure and be verified by another party. Usually, standards are available to eliminate any difference in measurement methods and definitions. For example, we can measure length, speed, weight, humidity, temperature, and time, with certainty. Those are physical quantities. Contrarily, we cannot measure inflation rate, hunger, pain, etc. with certainty. In short they are quantities that can be measured.
What physical quantities that vernier caliper can measure?
quantity for measuring vernier caliper is what
How primitive demography people measure quantities?
how primitive people measure quantities
What do you understand by term physical quantities?
Basically, anything that can be measured (or calculated on the basis of other measurements) in the world around us. All sorts of measurements can be made, for example you can measure or calculate an object's length, width, mass, weight, density, you can measure an electric current, a voltage, etc. - all of these are physical quantities.
What is a standard unit needed to measure a quantity correctly?
To measure a physical quantity correctly and need to compare it with some standard quantities. Thus a standard unit is needed to measure a quantity correctly.
What might you measure in millimetres?
Small quantities are measured in millimeters. Millimeters is used to measure small quantities.
How do you measure the mass of sack of five pounds of flour?
You can measure flour in kilograms, or (for smaller quantities, typical for recipes) in grams.You can measure flour in kilograms, or (for smaller quantities, typical for recipes) in grams.You can measure flour in kilograms, or (for smaller quantities, typical for recipes) in grams.You can measure flour in kilograms, or (for smaller quantities, typical for recipes) in grams.
What is appropriate measure to record your weight?
an appropriate measure for your weight is killograms
How to measure physical quantities?
Actually, different physical quantities are measured in different ways. For example, it is quite different to measure the diameter of a table, than to measure the capacitance of a capacitor, the frequency of a sound, etc. Each one requires different methods. Even for the same quantity there might be differences, for example, low-frequency and high-frequency sounds, and ultrasounds (a frequency so high that we can't hear it), may require different methods.
What does the unit decibel measure?
The ratio between two quantities, usually quantities that somehow measure power, or intensity (power / area).
