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We can reduce random errors by...

We can reduce random errors by

A

Taking large number of observations

B

Corrected zero error

C

By following proper technique of experiment

D

Both (1) & (3)

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The correct Answer is:
A
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AAKASH INSTITUTE-UNITS AND MEASUREMENTS-ASSIGNMENT (SECTION - A)
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  2. The uncertain digit in the measurement of a length reported as 41.68 c...

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  3. We can reduce random errors by

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

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

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

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

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

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

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  10. Round off the value 2.845 to three significant figures

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

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

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

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

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  15. The dimensional formula for energy is

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  16. The pair of the quantities having same dimensions is

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  17. The dimensional formula for relative refractive index is

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  18. The dimensional formula [ML^(-1)T^(-2)] is for the quantity

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