Which one of the following statements is incorrect?

Physics Units, Dimensions and Measurement Units MCQ (Single Correct)

Direct and indirect methods are used for the measurement of physical quantities

Scientific notation and the prefixes are used to simplify numerical computation

A dimensionally correct equation need not be a correct equation

The SI units is based on six base units

Text Solution

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The correct answer is:

The SI units is based on seven units. These are metre, kilogram, seconds, ampere, Kelvin, mole and candela.

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