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Wlidt is the shortest time interval meas...

Wlidt is the shortest time interval measured indirectly so far ?

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The shortest interval is the time taken by
light to cross a distance of nuclear size `(~~ 10^(-22)s).`
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PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Very short Answer Questions
  1. What is the order of mass of universe ?

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  2. What is the smallest mass measured indirectly so far?

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  3. Wlidt is the shortest time interval measured indirectly so far ?

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  4. Name the physical quantites having dimensions [M^1 L^2 T^(-2)].

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  5. Name two physical quantities which have dimesion [M^1L^(-1)T^(-2)].

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  6. How many times the unit of energy is affected when units of force and...

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  7. What are the dimensions of rate of flow?

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  8. Give two examples of non dimensional veriables.

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  9. Name any three dimensional constants.

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  10. Name any two non dimensional constant.

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  11. The dimensional forumal of Hubble constant. Is same as that of frequen...

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  12. Can there be a physical quantity which has no units and no dimensions.

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  13. What is the dimension of time in power ?

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  14. All constants are dimensionless. Comment.

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

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

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

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  18. What are the dimensions of rate of flow?

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  19. What are the dimensions of linear mass density ?

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

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