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Units And Measurement

Question

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Define cubit. Is it a definite quantity?

Solution

Cubit is a measur of length, approximately equal to the length of a forearm.
It measures the length of an arm from elbow to the tip of middle finger. Cubit is not a definite quantity. It varies from person to person.

Some More Questions From Units and Measurement Chapter

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.

What are fundamental quantities?

How many fundamental quantities are there in mechanics?

How many fundamental quantities are there in Physics?

Name the fundamental quantities of mechanics.

Name the different system of units in mechanics that are internationally accepted.

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