+91-8076753736 [email protected]

-->

Units And Measurement

Question

Wired Faculty App

By heating the body, the temperature of body increases from (32.7 ± 0.2)°C to (41.9 ± 0.2)°C. Find the rise in temperature.

Solution

Rise in temperature is given by,
$increment straight T space equals space left parenthesis 41.9 space minus space 32.7 right parenthesis space plus-or-minus space left parenthesis 0.2 plus 0.2 right parenthesis space degree straight C space space space space space space space equals left parenthesis space 9.2 space plus-or-minus space 0.4 right parenthesis degree space straight C$

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