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Which of the following is the most preci...

Which of the following is the most precise device for measuring length :-

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JBD PUBLICATION-PHYSICAL WORLD AND MEASUREMENT-EXAMPLE
  1. Which of the following is the most precise device for measuring length...

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

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

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  4. What is the number of significnt figures in 0.00680?

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  5. Are all constants dimensioneless?Give examples in your support.

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  6. What are dimensions of energy density?

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  7. Can a physical quanitty have different dimensions in different systems...

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  8. What is the dimension of [T] in angular acceleration?

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  9. Match the physical quantities with their dimensions: .

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  10. What is dimension of length in angular momentum?

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  11. Dimensional formula for the coefficient of viscosity is :

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  12. Name three physical quantities having the same dimensinal formula as t...

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  13. How many joules are present in 1 kilowatt hour?

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  14. State whether the equation y=y0 sin (2pi)/v t is correct ,wherer t is ...

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  15. What are the dimensions of a and b in the relation F= a-bx^2, where F ...

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  16. What do you understand by dimensions?

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  17. Write down the dimensions of each of the following in terms of mass,le...

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  18. Write down the dimensions of each of the following in terms of mass,le...

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  19. Deduce the dimensions of Planck's constant.Which othre quantity has sa...

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  20. Dimensional formula of universal gas constant is :

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