GK
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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This quantity is the combination of fundamental quantities using the mathematical operations of multiplication and division.
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Base quantity
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Physical quantity
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Derive quantity
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SI
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Explanation:
Detailed explanation-1: -Any unit which can be obtained by the combination of one or more fundamental units is called derived unit.
Detailed explanation-2: -Ans. The SI system’s basic units are the units of fundamental physical quantities that are not produced from other SI units. The metre, kilogram, ampere, and second are the seven fundamental and derived units in physics. It is called a derived unit when derived quantities are expressed in the same unit.
Detailed explanation-3: -Density is a mathematical combination of two fundamental physical quantities and therefore its units are kgm−3 which include the ratio of standard units of mass and volume.
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