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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
A piece of paper of dimensions 1.5 m × 20 cm has area ______.
Convert the following quantity as indicated :
12 inch = ft
Convert the following quantity as indicated:
0.2 km = m
Convert the following quantity as indicated:
5 mg = ………. kg
Answer the following in short.
Which institution in the world maintains the guidelines for using the SI units correctly?
State if the following statement is true or false. Correct the statement if it is false.
The region enclosed within the boundaries of a two-dimensional figure is called its area.
Answer the following in detail.
Which is the most suitable unit for measuring the volume of air inside an inflated balloon?
Give a reason for the following.
Measuring units are standardized.
Solve the following numerical problem.
A piece of wire is wound around a pencil 60 times. If the total width of all the turns is 4 cm, find the diameter of the wire.
Assertion (A): Density is a derived physical quantity
Reason (R): Density cannot be derived from the fundamental physical quantities.
