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Assume that the speed (v) of sound in ai...

Assume that the speed (v) of sound in air depends upon the pressure (P) and density `rho` of the air and use dimensional analysis to obtain an expression for the speed of sound.

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CHETANA PUBLICATION-UNITS AND MEASUREMENTS-EXERCISE
  1. Check weather the equation is dimensionally correct v^2 = u^2 + 2as^2.

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  2. Consider a small sphere falling through a medium. The viscous force ac...

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  3. Assume that the speed (v) of sound in air depends upon the pressure (P...

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

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

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

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

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  8. List the reasons for arising uncertainties in observations.

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  9. What is an error explain types of error.

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  10. What are the methods to minimise errors?

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

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

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

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

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

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

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

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

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

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  20. State the rules for writing significant figures.

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