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The density of mercury is 13.6 g//cm^3 u...

The density of mercury is 13.6 `g//cm^3` using dimensional analysis express it in `kg//m^3`

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The density of mercury at 0^@C is 13600 (kg)/m^3 and volume coefficient of expansion of mercury is 1.82 xx 10^-4 /(@C) . The denstiy of mercury at 50^@C is nearly

The heart of man pumps 5 liter of blood through the arteries per minute at a pressure of 150 mm of mercury. If the density of mercury be 13.6 xx10^3 kg//m^3 and g= 10m//s^2 , The power of heart in watt is

Water rises to a height of 10 cm in a capillary tube and mercury falls to a depth of 3.42 cm in the same capillary tube. If the density of mercury is 13.6 g//c.c. and the angles of contact for mercury and for water are 135^@ and 0^@ , respectively, the ratio of surface tension for water and mercury is

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A capillary tube of radius 5 xx 10^-4 m is immersed in a beaker filled with mercury. The mercury level inside the tube is found to be 8 xx 10^-3 m below the level of reservoir. Determine the angle of contact between mercury and glass. Surface tension of mercury is 0.465 N//m and its density is 13.6 xx 10^3 kg//m^3 . (g= 9.8 m//s^2 )

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CHETANA PUBLICATION-UNITS AND MEASUREMENTS-EXERCISE
  1. Assume that the speed (v) of sound in air depends upon the pressure (P...

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  2. If length 'L', force 'F' and 'T' are taken as fundamental quantities, ...

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  3. The density of mercury is 13.6 g//cm^3 using dimensional analysis expr...

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  4. An object is falling freely under the gravitational force. Its velocit...

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  5. Find dimensions of permittivity of vacuum, if F=frac(1)(4pi epsilon0) ...

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  6. List the reasons for arising uncertainties in observations.

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  7. What is an error explain types of error.

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  8. What are the methods to minimise errors?

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  9. Define. (i) Most probable value. (ii) Absolute error. (iii) Relati...

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  10. The masses of two bodies are measured to be 15.7 +- 0.2 kg and 27.3 +...

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  11. The side of an object measured by means of a vernier callipers is 3.52...

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  12. The distance travelled by an object in time (100+-1)s is (5.2+-0.1)m. ...

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  13. In a workshop a worker measures the length of a steel plate with a Ver...

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  14. If the measured values of two quantities are A +- Delta A and B +- Del...

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  15. Find the percentage error in kinetic energy of a body having mass 60.0...

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  16. In ohm's experiment, the values of unknown resistances were found to b...

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  17. If the length of a cylinder is l = (4.00 +-0.001) cm, radius r=(0.025 ...

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  18. State the rules for writing significant figures.

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  19. If the formula for a physical quantity is X=frac(a^4b^3)(c^frac(1)(3)d...

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  20. A dimensionally correct equation need not be actually correct, but a d...

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