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प्रश्न
Fill in the blank:
The S.I. unit of length is ............ of time is ............ of mass is ............
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उत्तर
The S.I. unit of length is metre of time is second of mass is kilogram.
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संबंधित प्रश्न
State if the following statement is true or false:
In ancient times, a cubit was used to measure the mass of an object.
State if the following statement is true or false. Correct the statement if it is false.
A ruler with a damaged end can be used to measure a length accurately.
Name the device used to measure the following:
Size of your wrist.
Name the device used to measure the following:
Your weight.
How can a measured length be expressed?
One metre is ______ cm.
Why would you not like to use a measuring tape made of an elastic material like rubber to measure distance? What would be some of the problems you would meet in telling someone about a distance you measured with such a tape?
Match the following:
| 1. | Length | a. | Litre |
| 2. | Mass | b. | Seconds |
| 3. | Time | c. | Kilogram |
| 4. | Volume of liquid | d. | Metre |
Which of the following figure shows the correct placement of a block along a scale for measuring its length?
While travelling in a train, it appears that the trees near the track are moving whereas co-passengers appear to be stationary. Explain the reason.
