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Units And Measurement
Question
Fill up 3.0 m/s2 = ___km/hr2
Solution
Here we have to convert m/s2 into km/h2
1 km = 1000 m
1 m = 10-3 km
1 hour = 60 min = 60 × 60 sec
or 1 sec = 
h
Substituting the above values
3 m s-2 = 3 × 10-3 km × 
h-2
= 38880 km-h-2h
= 3.88 × 104 km h-2
Some More Questions From Units and Measurement Chapter
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?
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Mock Test Series
Mock Test Series