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The relative density of a material is fo...

The relative density of a material is found by weighing the body first in air and then in water. If the weight in air is `(20.0 pm0.1)N` and weight and water is `(10.0 pm 0.1)N`, what would be the maximum percentage error in relative density?

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PREMIERS PUBLISHERS-NATURE OF PHYSICAL WORLD AND MEASUREMENT-OTHER IMPORTANT QUESTIONS & ANSWERS (V. Numerical Problems.)
  1. If the length and tiome period of an oscillating pendulum have errors ...

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  2. The heat dissipated in a resistance can be determined by measuring res...

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  3. The relative density of a material is found by weighing the body first...

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  4. Round off the following numbers are indicated ? (i) 18.35 upto 3 digit...

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  5. Round off the following numbers are indicated ? (ii) 143.45 upto 4 dig...

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  6. Round off the following numbers are indicated ? (iii) 18967 upto 3 dig...

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  7. Round off the following numbers are indicated ? (iv) 12.653 upto 3 dig...

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  8. Round off the following numbers are indicated ? (v) 248337 upto 3 digi...

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  9. Round off the following numbers are indicated ? (vi) 321.135 upto 5 di...

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  10. Round off the following numbers are indicated ? (vii) 101.55xx10^(6) u...

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  11. Round off the following numbers are indicated ? (viii) 31.325xx10^(-5)...

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  12. Add 7.21, 12.141 and 0.0028 and express the result to an appropriate n...

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  13. Solve the following and express the result to an appropriate number of...

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  14. Solve the following and express the result to an appropriate number of...

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  15. Solve the following and express the result to an appropriate number of...

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  16. Solve the following and express the result to an appropriate number of...

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  17. Solve the following and express the result to an appropriate number of...

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  18. Find the number of erg in one Joule.

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  19. Value of acceleration due to gravity is 9.8m//sec^(2). Find its value ...

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  20. Density of oil is 0.8gm//cm^(3). Find its value in MKS system.

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