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प्रश्न
State if the following statement is true or false:
In ancient times, a cubit was used to measure the mass of an object.
विकल्प
True
False
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उत्तर
False.
In ancient times, a cubit was used to measure the length of an object.
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संबंधित प्रश्न
Fill in the blank:
The S.I. unit of length is ............ of time is ............ of mass is ............
Describe in steps how would you measure the length of a pencil using a metre rule. Draw a diagram if necessary.
Why can hand span and arm length not be used as standard units of length?
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:
Cloth for a curtain.
State two precautions to be observed while measuring length with the help of a metre scale.
How can a measured length be expressed?
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?
Four children measure the length of a table which was about 2 m. Each of them used different ways to measure it.
- Sam measured it with a half metre long thread.
- Gurmeet measured it with a 15 cm scale from her geometry box.
- Reena measured it using her hand span.
- Salim measured it using a 5 m long measuring tape.
Which one of them would get the most accurate length? Give reason for your answer.
