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Define the SI unit of length....

Define the SI unit of length.

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Metre is the SI unit of length. One metre is the length of the path travelled by light in vacuum in `1/(299,792,458)` of a second.
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SURA PUBLICATION-NATURE OF PHYSICAL WORLD AND MEASUREMENT-ADDITIONAL QUESTIONS
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  2. In what ways physics is in relation to astronomy?

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  3. Define the SI unit of length.

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  4. Define the SI unit of mass (or) What is one kilogram in SI system of u...

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  5. Define the SI unit of time. (or) What is one second in SI system of un...

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  6. Define th SI unit of electric current. (or) What is one second in SI s...

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  8. What is the SI unit of amount of substance? (or) What is one mole in...

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  9. What meant by one candela? And Which base quantity is measured by this...

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  10. What is meant by the triple point of water?

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  11. What is meant by Parallax?

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  12. What is 1 Light year?

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  13. Define a Astronomical Unit.

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  14. What is parsec? (or) Define one parsec (parallactic second)

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  15. Why is the cylinder used in defining kilogram made up of platimum-irid...

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  18. Write the masses of tiny as well as huge matter?

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  19. Write the methods to determine the masses of objects?

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