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The U-tabe with limbs of diameters 5 mm ...

The U-tabe with limbs of diameters 5 mm and 2 mm contains water of surface tension `7 xx 10^(-2)Nm^(-1)`. The angle of contact is zero and density `10^(3)kg m^(-3)`. If g is `10ms^(-2)` then, the difference in levela in the twa limbs is

A

8.4 cm

B

8.4 mm

C

0.84 mm

D

0.84 cm

Text Solution

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The correct Answer is:
B
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