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प्रश्न
Give a reason for the following.
Measurements are very important for life.
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उत्तर
We need to measure the quantities of most of the things around us to be able to take correct decisions regarding their utility. To find the exactness of an unknown quantity, we need its measurement.
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संबंधित प्रश्न
Fill in the blank
Mass = density × _______
Select the correct alternative
The correct relation is :
Select the correct alternative
The density of aluminium is 2.7 g cm-3 and of brass is 8.4 g cm-3. For the same mass, the volume of:
Select the correct alternative
The correct relation for speed is
The density of copper is 8.9 g cm-3. What will be its density in kg m-3 ?
State two characteristics of a unit.
Convert the following quantity as indicated :
12 inch = ft
Convert the following quantity as indicated:
10 lb = ………. kg
Answer the following in short.
Mention any two advantages of the metric system over traditional units.
Your friend was absent from school yesterday. You are enquiring about his absence. He told that he had a fever and it was measured to be 100oC. Is it possible to have a 100oC fever? If he is wrong, try to make him understand.
