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Why length, mass and time are chosen as ...

Why length, mass and time are chosen as base quantities in mechanics?

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JBD PUBLICATION-PHYSICAL WORLD AND MEASUREMENT-EXAMPLE
  1. If velocity of light c, Plank's constant h and gravitational ontant G ...

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  2. Why do we have different units for the same physical quantity?

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  3. Why length, mass and time are chosen as base quantities in mechanics?

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  4. Express unified atomic mass unit in kg.

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  5. A function f(theta) is defined as f (theta ) = 1 - theta + (theta^2)...

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  6. Which of the following time measuring device is most precise? Give rea...

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  7. Which of the following time measuring device is most precise? Give rea...

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  8. Which of the following time measuring device is most precise? Give rea...

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  9. Which of the following time measuring device is most precise? Give rea...

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  10. The distance of a galaxy is of the order of 10^25 m. Calculate the ord...

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  11. Mention three conservation laws of mechanics.

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  12. "Politics is the art of the possible". Similarly, " Science is the art...

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  13. Though India now has a large base in science and technology, which is ...

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  14. It is often said that the world is witnessing now a second industrial ...

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  15. What are the characteristics of physical standard?

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  16. What are order of magnitude? Give two examples.

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  17. What is the advantage in choosing the wavelength of light radiation as...

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  18. The average wavelength of the yellow light emitted form a sodium lamp ...

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  19. Define a second in terms of vibrations of caisium -133 atom.

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  20. Why distances of only nearby stars can be found only by parallax metho...

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