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Check the correctness of the equation by dimensional analysis. `n=1/"2l"sqrt(T/m)`, n = frequency, m = mass per unit length, T = tension

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MBD PUBLICATION-PHYSICAL WORLD AND MEASUREMENT-QUESTION BANK
  1. Distinguish between systematic error and random error.

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  2. Check the correctness of the equation by dimensional analysis. V^2-u...

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  3. Check the correctness of the equation by dimensional analysis. n=1/"2l...

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  4. Check the correctness of the equation by dimensional analysis. T=2pisq...

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  5. Name the different system of units.

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  6. Name the different system of units.

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  7. What are characteristic of a unit ?

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  8. What is SI system of units ? State and define the fundamental unit in ...

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  9. What are derived quantities?

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  10. Why SI system is called a coherent system of units ? What is coherent ...

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  11. Distinguish between dimension, dimensional formula and dimensional equ...

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  12. What is dimension of a physical quantity?

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  13. What are limitation of dimensional analysis.

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  14. Name different types of errors.

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  15. Explain the net effect of errors in case of division and multiplicatio...

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  16. state the uses of dimensional analysis.

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  17. Describe the rules for counting significant figures in a number with s...

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  18. Distinguish between systematic error and random error.

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  19. Explain how you can minimise random and systematic errors with example...

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  20. Explain the working of hydraulic brakes.

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