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Imagine a system of units in which the u...

Imagine a system of units in which the unit of mass is 100 kg, length is 1 km and time is 1 minute Then 1 joule in this system is equal to

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SL ARORA-Units and Measurements-Exercise
  1. In the followng dimensionally correct equation for force,F=x/Density=Y...

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  2. The number of wavelengths of orange-red radia¬ tion of Kr-86 contained...

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  3. Imagine a system of units in which the unit of mass is 100 kg, length ...

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  4. E, m, L, G denote energy mass, angular momentum & gravitation constant...

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  5. The number of particles is given by n = -D(n(2) - n(1))/( x(2) - x(1))...

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  6. Give the number of significant figure in 2.64 xx 10^24 Kg .

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  7. In the simplification of 2.13x24.78 /458.2, the numberof significant f...

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  8. The diameter of circle is 1.06m. Calculate the area enclosed by the ci...

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  9. The errors which tend to occur in one direction,positive or negative, ...

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  10. The maximum fractional error in the quotient of two quantities is equa...

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  11. The resistance R= (V)/(I), where V= (100+-5.0) V and I=(10+-0.2)A. Fin...

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  12. A physical quantity P = a^3b^2/cd. If the percentageerrors in the meas...

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  13. A physical quantity X is given by X=(2k^(3)l^(2))/(msqrt(n)) The p...

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  14. Define length.

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  15. Define a prototype metre

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  16. Define standard metre in terms of the wavelength of light.

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  17. What is the accuracy of the metre defined in terms of wavelength of li...

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  18. Define standard metre in terms of velocity of light.

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  19. How many light years are there in 1 metre?

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  20. Define Astronomical unit, light year and parscond. Establish relation ...

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