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प्रश्न
Can you find the diameter of a thin wire of length 2 m using the ruler from your instrument box?
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उत्तर
Yes, first you have to wound the wire around the scale for 10 cm and count the number of turns in it. Then if you divide 10 cm by number of turns which gives the thickness of the wire.
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संबंधित प्रश्न
While measuring the length of an object using a ruler, the position of your eye should be
Match the following.
| 1. | Length of the fore arm | metre |
| 2. | SI unit of length | second |
| 3. | Nano | 103 |
| 4. | SI Unit of time | 10–9 |
| 5. | Kilo | Cubit |
Rulers, measuring tapes and metre scales are used to measure ______
Metre is the unit of ______.
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What is the unit of measurements of very small lengths?
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