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Can a quantity have unit but still be di...

Can a quantity have unit but still be dimensionless?

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Yes, an angle is measured in radian but has no dimensions.
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PATHFINDER-UNITS AND MEASUREMENT-QUESTION BANK
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  2. Define accuracy

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  3. What do you understand by the term systematic errors ?

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  4. Name any two sources of systematic errors.

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  5. Name a method for the measurement of large distances.

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  6. Define light year.

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  7. What does SONAR stand for?

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

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

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

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

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

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  13. Name three physical quantities having the same dimensions.

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  14. State the number of significant figures in 5.003.

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

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

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

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

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

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

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