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Which technique is used for measuring ag...

Which technique is used for measuring age of rocks, fossils etc.

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Age of rocks, fossils etc. is measured using the technique, called Radioactive Dating.
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PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Very short Answer Questions
  1. What is meant by angular diameter of moon ? What is its value?

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  2. What is the order of mass fo uiverse.

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  3. Which technique is used for measuring age of rocks, fossils etc.

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  4. Are there more microseconds in a second than the number of seconds in ...

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  5. Express in scientific notation : (i) 13780 kg (ii) 0.00000523 s

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  6. What is the efficiency of time realisation in cesium atomic clocks ?

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

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

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

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  10. Human life expectancy is of the order of

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  11. What is the order of mass of universe ?

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

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

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

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

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

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  17. What are the dimensions of rate of flow?

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  18. Give two examples of non dimensional veriables.

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  19. Name any three dimensional constants.

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  20. Name any two non dimensional constant.

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