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Units And Measurement

Question

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State the principle of homogeneity of dimensional equation.

Solution

This principle of homogeneity of dimensional equation states that if a physical relation is true, then dimensions of each term on both the sides of the equation are same.

Some More Questions From Units and Measurement Chapter

Give four examples of physical quantities.

Define unit.

What are the two main required characteristics of a unit?

Can we use same units for different physical quantities?

Can we use different units to measure same physical quantity?

To measure a physical quantity X, the unit U is repeatedly used for n times. What is the magnitude of physical quantity?

Does the numerical factor in the quantitative measurement depend on the system of unit used?

Is one unit sufficient to measure a physical quantity?

Can a physical quantity have two or more units? Give example.

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