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Units And Measurement

Question

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What is the dimensional formula of specific heat?

Solution

Specific heat is

fraction numerator Energy over denominator mass cross times temperature end fraction

Therefore, the dimensional formula is [M⁰L²T^–2K^–1].

Some More Questions From Units and Measurement Chapter

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?

Is one unit sufficient to measure a physical quantity?

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