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Which is the world's most accurate clock...

Which is the world's most accurate clock ? What is its accuracy?

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Verified by Experts

A cesium clock is mostl accurate. Two cesium
clocks may differ only by 1 second after running for 5000 years.
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PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Very short Answer Questions
  1. What is the efficiency of time realisation in cesium atomic clocks ?

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  2. What is the difference between inertial mass and gravitational mass of...

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  3. Which is the world's most accurate clock ? What is its accuracy?

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  4. What is the order of age of the earth ?

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  5. Human life expectancy is of the order of

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  6. What is the order of mass of universe ?

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

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

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

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

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

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  12. What are the dimensions of rate of flow?

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  13. Give two examples of non dimensional veriables.

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  14. Name any three dimensional constants.

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  15. Name any two non dimensional constant.

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

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

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  18. What is the dimension of time in power ?

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  19. All constants are dimensionless. Comment.

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

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