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For measuring large distances, which uni...

For measuring large distances, which units are used by astronomers ? In detail.

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CHETANA PUBLICATION-UNITS AND MEASUREMENTS-EXERCISE
  1. If the pointer of the voltmetre is not exactly at the zero of the scal...

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  2. The value of the magnitude rounded off to the nearest integral power o...

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  3. The reference standard used for the measurement of a physical quantity...

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  4. Define fundamental quantity and state them with SI units.

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  5. Explain system of units and state and some system of units.

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  6. Explain with example, how is dimensional analysis used to convert the ...

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  7. Find the dimension of : work

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  8. Find the dimension of : Refractive index

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  9. Show that the equation s = ut + frac(1)(2)at^2 is dimensionally correc...

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  10. Determine the number of significant figures in the following measurem...

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  11. Determine the number of significant figures in the following measurem...

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  12. Determine the number of significant figures in the following measurem...

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  13. Determine the number of significant figures in the following measurem...

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  14. What is an error explain types of error.

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  15. Period of simple pendulam is given as T = 2pi sqrtfrac(1)(g).Verify th...

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  16. The side of a cube is measured to be 20.44 +-0.02 m. Find the percenta...

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  17. For measuring large distances, which units are used by astronomers ? I...

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  18. Why is only carbon is used and not only other element for defining ato...

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  19. List the reasons for arising uncertainties in observations.

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  20. State limitation of dimensional Analysis

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