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What does SONAR stand for?...

What does SONAR stand for?

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PATHFINDER-UNITS AND MEASUREMENT-QUESTION BANK
  1. Name a method for the measurement of large distances.

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  2. Define light year.

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  3. What does SONAR stand for?

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  4. Convert (i) 1 kgm^(2)s^(-2) into gcm^(2)s^(-2) and (ii) 1 m into light...

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  5. What is the relation between 1 light year and one parsec?

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  6. The initial and the final temperature of an oll bath are (25 +0.1)^@ a...

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  7. What is the maximum percentage error in the measurement of K,E.If the ...

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  8. The dimensional formula for Planck's constant and angular momentum ar...

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  9. Name three physical quantities having the same dimensions.

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  10. State the number of significant figures in 5.003.

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  11. What is the maximum possible relative error in Z, where Z =A^n B^m?

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  12. What is the difference between A^@ and AU?

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  13. if an atom were enlarged to the size of the earth (approx 10^7m ), ho...

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  14. Write the units of Vander Waals constants a and b.

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  15. A new unit of length is chosen such that the speed of light in vacuum ...

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  16. Y=Asin (omegat - kx), t and x stand for time and distance respectively...

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  17. Round off to 3 significant figures 20.96m

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  18. Round off to 3 significant figures 17.33m

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  19. A student measures the thickness of a human hair by looking it throug...

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  20. The photograph of a house occupies an area of 1.75 cm^2 on a 35 mm sli...

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