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A packet contains silver powder of mass ...

A packet contains silver powder of mass 20.23 g `pm` 0.01 g Some of the powder of mass 5.75 g `pm` 0.01 g is taken out from it The mass of the powder lell back is

A

`14.48 g pm 0.00 g`

B

`14.48 pm 0.02 g`

C

`14.5 g pm 0.1 g `

D

`14.5 g pm 0.2 g`

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AAKASH INSTITUTE-UNITS AND MEASUREMENTS-ASSIGNMENT SECTION A Objective (One option is correct )
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  2. Zero error of an instrument introduces

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  3. A packet contains silver powder of mass 20.23 g pm 0.01 g Some of the ...

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  4. The addition of three masses 1.6 g, 7.32 g and 4.238 g. addressed upto...

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  5. The area of a sheet of length 10.2 cm and width 68 cm addressed upto p...

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  6. The radius of a sphere is (2.6 pm 0.1) cm The percentage error u iis v...

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  7. The uncertain digit in the measurement of a length reported as 41.68 c...

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  8. The best method to reduce random error is

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  9. The number of significant figures in the measured value 0.0204 is

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  10. The number of significant figures in the measured value 26000 is

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  11. The number of significant zeros present in the measured value 0.020040...

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  12. The number of significant figures in the measured value 4.700 m is the...

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  13. If a calculated value 2.7465 g contains only three significant figures...

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  14. An object of mass 4.237 g occupies a volume 1.72 cm^3. The density of ...

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  15. Round off the value 2.845 to three significant figures

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  16. A length 5.997 m rounded off to three significant figures is written a...

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  17. The order of the magnitude of speed of light in SI unit is

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  18. The values of a number of quantities are used in a mathematical formul...

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  19. What are the dimensions of the change in velocity ?

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  20. The dimensional formula for energy is

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