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प्रश्न
Ten millimetre makes one centimetre.
पर्याय
True
False
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उत्तर
Ten millimetre makes one centimetre- True.
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संबंधित प्रश्न
What are the S.I. units of
- mass
- length
- time and
- temperature.
Write their names and symbols.
Fill in the following chart.
| Property | Definition | Basic Unit | Instrument used for measuring |
| Length | |||
| Mass | |||
| Volume | |||
| Time |
Can you find the diameter of a thin wire of length 2 m using the ruler from your instrument box?
Guess the lengths to draw these things. Ask your friend to draw the same. After you make the drawing use a scale to measure the length. Whose drawing showed a better guess?
| Guess its length and draw |
Measure of your drawing |
Measure of your friend’s drawing |
| An ant of length less than 1 cm |
||
| Pencil of length about 7 cm |
||
| A glass 11 cm high with water up to 5 cm |
||
| A bangle of perimeter 20 cm |
||
| A curly hair of length 16 cm |

What is Dinesh’s height in metres? _____ m _____ cm.
The fencing of a square garden is 20 m in length. How long is one side of the garden?
So Anar also tried many different ways to make a boundary for 800 square meters of land.
He made rectangles A, B, and C of different sizes. Find out the length of the boundary of each. How much gold wire will he get for these rectangles?
- A
Gold wire for A = _________ metres - B

Gold wire for B = _________ metres - C
Gold wire for C = __________ metres
But then Anar made an even longer rectangle... See how long!
- D

So he will get __________ metres of gold wire!!
What are the materials needed to find the length of a banana?
Give some examples of larger length measures.
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?
