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The area of the surface of water in a ve...

The area of the surface of water in a vessel is 40`cm^2`. It is transferred into a cylindrical vessel of area of cross section 220`cm^2`. If the surface tension of water is 0.07`Nm^(-1)`, the work done in the transfer of water is

A

12.6 erg

B

1.26 erg

C

`12.6 xx 10^(-4) J`

D

`1.26 xx 10^(-4) J`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-SURFACE TENSION-ADDITIONAL PRACTICE EXERCISE (LEVEL-I (MAIN)-STRAIGHT OBJECTIVE TYPE QUESTIONS)
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  8. A mercury drop of radius 1 cm is sprayed into 10^(6) drops of equal si...

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  9. A long capillary tube of radius 0.2mm is placed vertically inside a be...

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  10. Two capillary tubes of same material are dipped -vertically in the sam...

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  11. A tube of 0.8 mm radius is dipped into a liquid with surface tension a...

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  12. The length of one edge of a glass plate of thickness 0.2 cm is 9.8 cm....

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  13. The area of the surface of water in a vessel is 40cm^2. It is transfer...

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  14. The lower end of a capillary tube of radius r is placed vertically in ...

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  15. When water rises in a capillary tube of radius r to a height h, its po...

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  16. The lower end of a capillary tube of diameter 2.00mm is dipped 8.00cm ...

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