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प्रश्न
Fill in the blank:
The S.I. unit of length is ............ of time is ............ of mass is ............
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. Correct the statement if it is false.
A ruler with a damaged end can be used to measure a length accurately.
How many centimetres are there in 1m?
Name the device used to measure the following:
Size of your shoulder.
Name the device used to measure the following:
Size of your wrist.
Name the device used to measure the following:
Your weight.
State two precautions to be observed while measuring length with the help of a metre scale.
How can a measured length be expressed?
Match the following:
| 1. | Length | a. | Litre |
| 2. | Mass | b. | Seconds |
| 3. | Time | c. | Kilogram |
| 4. | Volume of liquid | d. | Metre |
Four pieces of wooden sticks A, B, C, and D are placed along the length of 30 cm long scale as shown in Fig. Which one of them is 3.4 cm in 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.
