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Which of the following is the most preci...

Which of the following is the most precise device for measuring length - An optical instrument, a vernier calliper, or a screw gauge?

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MAXIMUM PUBLICATION-UNITS AND MEASUREMENTS-EXERCISE
  1. fill in the blanks by suitable conversion of units: G=6.67×10^(-11)Nm^...

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  2. a calorie is a unit of heat or energy and it equals about 4.2J, where ...

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  3. Which of the following is the most precise device for measuring length...

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  4. state the number of significant figures in 0.007m^2

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  5. state the number of significant figure? 2.64×10^24kg

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  6. state the number of significant figure? 0.2370gcm^(-3)

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  7. state the number of significant figure? 6.320 J

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  8. state the number of significant figure? 6.032 Nm^(-2)

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  9. state the number of significant figure? 0.0006032m^2

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  10. The length breadth and thickness of a rectangular sheet of metal are 4...

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  11. A Physical quantity P is related to four observables a,b,c and d as fo...

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  12. A famous relation in physics relates 'moving mass' m to the 'rest mass...

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  13. Mechanical power is represented by P=Fv+Av^3p where, F is the force ,v...

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  14. Mechanical power is represented by P = Fv+Av^3p where, F is the force ...

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  15. Which of the following equations can't be obtained by the dimensional ...

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  16. Give examples for the following: A dimensionless, unitless physical qu...

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  17. Give examples for the following: A dimensionless physical quantity but...

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  18. Give examples for the following: Two physical quantities which have th...

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  19. A company manufacturing PVC pipes claims in an advertisement that the ...

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  20. A company manufacturing PVC pipes claims in an advertisement that the ...

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