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When 0.0003125 is reduced to 3 significa...

When 0.0003125 is reduced to 3 significant figures its value is

A

`0.00312 `

B

`3.125 `

C

`0.000312 `

D

`0.000313 `

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The correct Answer is:
C
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AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE -2
  1. A Vernier callipers has 1 mm marks on the main scale . It has 20 equa...

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  2. A screw gauge gives the following reading when used to mesure the diam...

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  3. The vernier scale of a travelling microscope has 50 divisions which co...

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  4. Time for 20 oscillations of a pendulum is measured as t(1)=39.6" "s,...

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  5. The measured mass and volume of a body are 53.63 g and 5.8cm^(3) resp...

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  6. A Vernier callipers has 1 mm marks on the main scale . It has 20 equa...

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  7. Which of the following numbers has least number of significant figures...

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  8. The number of significant figures in 0.0006032 is

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  9. The number of significant figures in 6.320 is

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  10. The radius of a circle is 2.12 metre. Its area according to the rule o...

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  11. Epistasis and dominance are respectively

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  12. The mass of a block is 87.2 g and its volume is 25 cm^(3). What is its...

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  13. The length of a rod is measured by different instruments. Of the follo...

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  14. 2.34 is obtained by rounding of the number

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  15. When 0.0003125 is reduced to 3 significant figures its value is

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  16. Gibbs-Helmoholtz equation relates the free energy change to the enthal...

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  17. 9765 div 14.39 = 678.59625. This quotient on rounding off to two signi...

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  18. The value of 124.2 - 52.487 with due regard to significant places is

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  19. The value of 42 xx 0.041 with due regard to significant figures is

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  20. sqrt(58.97)=

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