+91-8076753736 [email protected]

-->

Units And Measurement

Question

Wired Faculty App

Define atomic mass unit.

Solution

The amount of substance of a system, which contains substance as many elementary entities as there are atoms in 0.012 kilogram of carbon -12.

$1 u = 1.66 x 10^{- 27} kg$

Some More Questions From Units and Measurement Chapter

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.

What are fundamental quantities?

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation