Advertisements
Advertisements
प्रश्न
SI unit of length is ______
उत्तर
SI unit of length is a metre
APPEARS IN
संबंधित प्रश्न
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?
Name the measuring device which can be used for measuring the girth of a tree.
Name the device used to measure the following:
Your height.
Name the device used to measure the following:
Your weight.
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.
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 |
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.
- 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.
