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The diameter of a circle is 1.06 m. Calc...

The diameter of a circle is 1.06 m. Calculate the area to an appropriate number of significant figures, Take `pi= 3.14`.

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SL ARORA-Units and Measurements-Exercise
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  3. The diameter of a circle is 1.06 m. Calculate the area to an appropria...

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  4. The radius of a solid sphere is measured as11.24 cm.What is the surfac...

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  5. The mass of a body is 275.32g and its volume is 36.41cm^(3). Express i...

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  6. 9.74 g of a substance occupies 1.2 cm^3. Express its density by keepin...

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  7. The diameter of a wire as measured by a screw gauge was found to be 0....

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  9. The values for the diameter of a wire as measured by a screw gauge wer...

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  10. The diameter of a wire as measured by a screw gauge was found to be 0....

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  11. The refractive index of water as measured by the relation p = (Real de...

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  12. The refractive index of water as measured by the relaion mu = ("Real d...

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  13. The refractive index of water as measured by the relaion mu = ("Real d...

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  14. The refractive index of water as measured by the relaion mu = ("Real d...

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  15. In an experiment to measure focal length of a concave mirror , the val...

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  16. If A =12.0 cm pm 0.1 cm and B 8.5 cm pm0.5 cm, find A + B

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  17. If L1 = (12.0 +- 0.1) cm and L2 = (8.5 +- 0.5)cm find (L1 +L2) and (L1...

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  18. The temperature of two bodies measured by a thermometer are t1=20^@C ...

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  19. The lengths of two rods are 15.2+-0.2 cm and 10.7+-0.2 cm Find differe...

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  20. The lengths and breadth of a rectangle are (5.7 +- 0.1)cm and (2.4 +- ...

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