What is a physical quantity?

A physical quantity is a quantity that can be measured.

What are fundamental quantities?

Fundamental quantities are independent physical quantities that cannot be derived from other quantities.

Derived quantities are the quantities derived from fundamental quantities.

The SI unit of force is Newton.

Dimensional formula represents a physical quantity in terms of fundamental quantities.

Significant figures are the meaningful digits in a measurement.

Scientific notation is written as:

Dimensional analysis is used for:

Absolute error is the magnitude of difference between measured value and true value.

Percentage error is defined as:

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NCERT - Units and Measurements - Full Chapter Notes

June 17, 202658 viewsPhysics

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