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प्रश्न
Find the answer for the following questions within the grid.
- 10-3 is one ______
- SI Unit of time is ______
- Cross view of reading a measurement leads to ______
- ______ is the one what a clock reads.
- ______ is the amount of substance present in an object.
- ______ can be taken to get the final reading of the recordings of different students for a single measurement.
- ______ is a fundamental quantity.
- ______ shows the distance covered by an automobile
- A tailor uses ______ to take measurements to stitch the cloth.
- Liquids are measured with this physical quantity.
उत्तर
- 10-3 is one millimetre
- SI Unit of time is second
- Cross view of reading a measurement leads to error
- Time is the one what a clock reads.
- Mass is the amount of substance present in an object.
- Average can be taken to get the final reading of the recordings of different students for a single measurement.
- Length is a fundamental quantity.
- Odometer shows the distance covered by an automobile
- A tailor uses tape to take measurements to stitch the cloth.
- Liquids are measured with this physical quantity- Litre
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संबंधित प्रश्न
Just as precise measurements are necessary in science, it is equally important to be able to make rough estimates of quantities using rudimentary ideas and common observations. Think of ways by which you can estimate the following (where an estimate is difficult to obtain, try to get an upper bound on the quantity):
the number of strands of hair on your head
Fill in the blank.
In the ............ system, length is measured in centimetres.
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 ______
Difference in size 
Do this for yourself and find the difference.
What is Dinesh’s height in metres? _____ m _____ cm.
Measure the yellow rectangle. It is ________ cm long.
How many stamps are needed to cover the rectangle?
There are two beautiful lakes near a village. People come for boating and picnics in both the lakes. The village Panchayat is worried that with the noise of the boats the birds will stop coming. The Panchayat wants motorboats in only one lake. The other lake will be saved for the birds to make their nests.
- A longer boundary around the lake will help more birds to lay their eggs. So which lake should be kept for birds? Which lake should be used for boats?
Yard was used as the unit of length.
