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प्रश्न
Fill in the following chart.
| Property | Definition | Basic Unit | Instrument used for measuring |
| Length | |||
| Mass | |||
| Volume | |||
| Time |
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उत्तर
| Property | Definition | Basic Unit | Instrument used for measuring |
| Length | The distance between one end and the other desired and. | Metre | Meter scale, Measuring tape. |
| Mass | Mass is the measure of the amount of matter in an object. | Kilogram | Beam balance |
| Volume | Volume is the space occupied by an object. | Solid -metre/Liquid - Litre | Measuring scale/Graduated cylinder |
| Time | It is a period between two events. | Second | Clock |
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संबंधित प्रश्न
Exercise
Complete the analogy.
Height of a person: cm :: Length of your sharpened pencil lead:______?
Numerical Problem.
Inian and Ezhilan argue about the light year. Inian tells that it is 9.46 × 1015 m and Ezhilan argues that it is 9.46 × 10 12 km. Who is right? Justify your answer.
Arbaz plans to tile his kitchen floor with green square tiles. Each side of the tile is 10 cm. His kitchen is 220 cm in length and 180 cm wide. How many tiles will he need?
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.
- How many kilometers long is the actual boundary of lake B?
SI unit of electric current is ______.
Yard was used as the unit of length.
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?
Mars has approximately half of the earth’s diameter. When it is closest to the earth it is at about 1/2 A.U. from the earth. Calculate what size it will appear when seen through the same telescope.
The parallax method is used to measure astronomical distances because ______.
