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All constants are dimensionless. Comment...

All constants are dimensionless. Comment.

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Verified by Experts

No, all constant are not dimensionless. For
example, universal gravitational constant,
Planck's constant etc. do have dimensions.
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PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Very short Answer Questions
  1. Can there be a physical quantity which has no units and no dimensions.

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  2. What is the dimension of time in power ?

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  3. All constants are dimensionless. Comment.

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  4. If 'slap' times speed equals power, what is the dimensional formula fo...

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  5. Can a quantity have units, but still be dimansionless?

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  6. Does a quantity have different dimensions in different systems of unit...

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  7. What are the dimensions of rate of flow?

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  8. What are the dimensions of linear mass density ?

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  9. What type of quantity is Avogadro's number ?

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  10. What are the dimensions of a and b in the relation F = at + b x, whrer...

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  11. Calculate x in the equation : (velocity)^x = (pressire diff.)^(3//2)xx...

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  12. The dimensions of Boltzmann constant are the same as that of (i) press...

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  13. Measuring process is essentially ……… Fill in the blanks

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  14. What is error of measurement ?

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  15. What are personal errors ?

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  16. What is the reliability of measurement of length using a metre scale ?

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  17. Maximum absolute error in difference of two quantites is equal to ….. ...

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  18. Fill in the blanks : (i) Maximum ……… error in product of quantities is...

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  19. Which of the following length measurements is most precise and why? ...

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  20. What is precentage error in volume of a sphere, when error in measurin...

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