Significant figures represent the precision of a measured quantity, including all digits except leading zeros.
Tiwari Academy Discussion Latest Questions
Derived units are formed by combinations of the seven base units in the SI system.
The SI unit system provides a standard for measuring all physical quantities, including the seven fundamental quantities.
Errors in measurements occur due to various reasons, including random and systematic errors. Reducing random errors improves accuracy.
Fundamental quantities are independent and form the base of derived physical quantities. Examples include length, mass, and time.
A dimensionless quantity is independent of the unit system used.
Accuracy refers to how close a measured value is to the true value.
Energy is a derived quantity in the SI system and is measured in joules.
Fundamental quantities are those which cannot be defined in terms of other quantities.