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Surface tension acts...

Surface tension acts

A

only at the free surface of the liquid

B

inside the liquid

C

at the bottom of the liquid

D

at all places of contact between the liquid and the container .

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The correct Answer is:
A
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Surface tension is

Surface tension is

Surface tension is the property of a liquid by virtue of which the free space of the liquid at rest tends to have minimum area and as such it behaves as if covered with a stretched membrane. It is measured as the force acting an unit length of a line imagined to be drawn tangentially anywhere on the free surface of liquid at rest. It acts at right angles to this line on both sides and along the tangent to the liquid surface. When a razor bladed floats on water, then the force of surface tension acts on the circumference of the blade acting tangentially to the liquid surface : (a) True (b) False

Surface tension and surface energy have different dimensions.

Surface tension does not vary with

Surface tension arises due to :

TARGET PUBLICATION-SURFACE TENSION -COMPETITIVE THINKING
  1. The surface tension may be defined as the mechanical work required to...

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  2. Dimensions of surface tension are

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  3. Surface tension acts

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  4. A square frame of length L is immersed in soap solution and taken ou...

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  5. The force exerted by surface tension on the free surface

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  6. Calculate the force required to separate the glass plates of area 10^(...

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  7. A metal wire of density rho floats on water surface horozontally. If i...

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  8. Two drops of a liquid are merged to form a single drop . In this proce...

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  9. Two spherical soap bubbles of radii r1 and r2 in vacuume coalesce unde...

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  10. The potential energy of molecule on the surface of a liquid as compare...

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  11. Energy needed in breaking a drop of radius R into n drops of radii r i...

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  12. Molecules on the surface of the liquid have

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  13. If T is the surface tension of soap solution, the amount of work done ...

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  14. Two soap bubbles have radii in the ratio of 4:3 . What is the ratio o...

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  15. 1000 droplets of water having 2 mm diameter each coalesce to form a s...

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  16. Amount of energy required to blow a bubble of radius 5 cm (surface ten...

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  17. Work done in blowing a soap bubble of diameter 2 cm , is (S.T =3xx10^(...

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  18. The surface tension of soap solution is 0.035 N/m . The energy needed...

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  19. A wooden stick 2m long is floating on the surface of water. The surfac...

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  20. A rectangular film of liquid is extended from (4 cm xx 2 cm) to (5 cm ...

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