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प्रश्न
Name the three convenient units used to measure length ranging from very short to very long value. How are they related to the S.I unit?
उत्तर
Three convenient units of length and their relation with the S.I. unit of length:
(1) 1 Angstrom (Å) = 10-10 m
(2) 1 kilometre (km) = 103 m
(3) 1 light year (ly) = 9.46 × 1015 m
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संबंधित प्रश्न
What are the three requirements for selecting a unit of a physical quantity?
How are the following derived unit related to the fundamental unit?
Newton
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One light-year is equal to _______.
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| 1. | 100 gm | a. | 1 kilometer |
| 2. | 1000 milligram | b. | 1 ton |
| 3. | 1000 kilogram | c. | 1 gram |
| 4. | 1000 meter | d. | 1 kilogram |
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Problems for practice
Convert 100 K into Celsius.
