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Units And Measurement

Question

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Are the dimensions of coefficient of viscosity and coefficient of friction same?

Solution

No, the dimensions are different.
Dimensional formula of coefficient of viscosity is [M

¹L^–1T^-1]
Coefficient of friction is dimensionless.

Some More Questions From Units and Measurement Chapter

What is measurement?

What is the need of measurement?

Define physical quantity.

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?

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