Measurement is nothing but the comparison of an unknown quantity with a known fixed quantity of the same type. To measure the height a person in terms of cm or ft we compare it with the standard like 180 cm = 6 ft. From this relation, we will come to know the exact height with respect to the standard unit.
unit. Explanation for correct answer : Measurement is the comparison of an unknown quantity with an unknown quantity called a unit. The value obtained from measuring a quantity is called its magnitude.
If you say that someone or something is an unknown quantity, you mean that not much is known about what they are like or how they will behave. She had known Max for some years now, but he was still pretty much an unknown quantity. Synonyms: enigma, mystery, problem More Synonyms of unknown quantity.
An unpredictable person or thing, as in We don't know how the new pitcher will do—he's an unknown quantity . This expression comes from algebra, where it signifies an unknown numerical value.
Structures of unknown compounds can be determined by comparing physical properties, performing functional group tests, and checking melting points of derivatives against those of known compounds reported in the literature. Solubility properties and chemical reactivity become apparent during these qualitative tests.
Measurement of a physical quantity involves its comparison with a known fixed standard called a unit. unit is the standard used to measure the magnitude of any physical quantity.
Variable. A variable is a symbol that represents an unknown or changeable quantity in a mathematical expression or equation. It is called a variable because it can “vary” according to the circ*mstances of the problem.
Introduction: My name is Velia Krajcik, I am a handsome, clean, lucky, gleaming, magnificent, proud, glorious person who loves writing and wants to share my knowledge and understanding with you.
We notice you're using an ad blocker
Without advertising income, we can't keep making this site awesome for you.
