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प्रश्न
Match the following.
| Column A | Column B |
| (1) Length | a. kilogram |
| (2) Mass | b. cubic metre |
| (3) Area | c. metre |
| (4) Volume | d. square metre |
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उत्तर
| Column A | Column B |
| (1) Length | c. metre |
| (2) Mass | a. kilogram |
| (3) Area | d. square metre |
| (4) Volume | b. cubic metre |
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संबंधित प्रश्न
Just as precise measurements are necessary in science, it is equally important to be able to make rough estimates of quantities using rudimentary ideas and common observations. Think of ways by which you can estimate the following (where an estimate is difficult to obtain, try to get an upper bound on the quantity):-
the number of air molecules in your classroom.
Fill in the blank.
In the ............ system, length is measured in centimetres.
What are the materials needed to find the length of a banana?
What is the unit of measurements of very small lengths?
What is the unit of measurements of very small lengths?
The Unit used to measure length ______.
Larger unit for measuring time is ______.
The radius of atom is of the order of 1 Å and the radius of nucleus is of the order of fermi. How many magnitudes higher is the volume of atom as compared to the volume of nucleus?
What is the SI unit of length?
Which instruments are used to measure very small distances at the atomic scale?
