GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
it is the technique of converting between units
A
derived units
B
metric system
C
unit prefixes
D
dimensional analysis
Explanation: 

Detailed explanation-1: -This technique of converting from one unit to another is often called diminesional alysis. In dimensional analysis we use conversion factors to successively convert from the initial unit to the desired unit. An example of a conversion factor is 4 quaters = 1 dollar.

Detailed explanation-2: -Dimensional analysis uses conversion factors to change the unit in an amount into an equivalent quantity expressed with a different unit. For example, a conversion factor could be used to convert 3.55 meters to centimeters.

Detailed explanation-3: -Dimensional Analysis (also called Factor-Label Method or the Unit Factor Method) is a problem-solving method that uses the fact that any number or expression can be multiplied by one without changing its value. It is a useful technique.

Detailed explanation-4: -Dimensional analysis is used to convert the value of a physical quantity from one system of units to another system of units.

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