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How many light years are there in 1 met...

How many light years are there in 1 metre?

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SL ARORA-Units and Measurements-Exercise
  1. What is the accuracy of the metre defined in terms of wavelength of li...

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  2. Define standard metre in terms of velocity of light.

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  3. How many light years are there in 1 metre?

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  4. Define Astronomical unit, light year and parscond. Establish relation ...

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  5. Give the relation between light year and AU

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  6. Which one of the following methods is used to measure distance of a pl...

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  7. Express 1 parsec in terms of meters . What its order of magnitude .

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  8. Express 1 parsec in terms of meters . What its order of magnitude .

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  9. Write in ascending order : light year, astronomical unit, par sec.

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  10. Name two commonly used units for wavelength of light.

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  11. Express 1 micro in metre.

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  12. Name the unit used to measure size of a nucleus and express it in metr...

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  13. Express nanometre in terms of metre and angstrom units.

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  14. Express the wavelength of yellow light (5893 A) in terms of nm.

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  15. How many nanometres are there in one metre ?

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  16. How many Angstrom are there in one metre ?

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  17. One fermi is

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  18. How many light years are there in 1 metre?

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  19. Write the full name of the technique used in locating an under-water ...

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  20. How far away is the nearest star alpha centuri from earth ?

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