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What is the smallest mass measured indir...

What is the smallest mass measured indirectly so far?

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The sortest distance measured indirectly so far is radius of a proton`(~~10^(15)m).`
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PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Very short Answer Questions
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  3. What is the smallest mass measured indirectly so far?

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  6. What is the order of mass fo uiverse.

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

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  14. Human life expectancy is of the order of

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  15. What is the order of mass of universe ?

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

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

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

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

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