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It is easy to wash clothes in hot water ...

It is easy to wash clothes in hot water because its :-

A

surface tension is more

B

surface tension is less

C

consumes less soap

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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ALLEN -RACE-Basic Maths (Properties of Matter & Fluid Mechanics)(Surface Tension)
  1. The excess pressure due to surface tension inside a spherical drop is ...

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  2. A soap film of surface tension 3 xx 10^(-2)N//m formed in a rectangula...

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  3. Two soap bubbles, one of radius 50 mm and the other of radius 80 mm, a...

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  4. Two soap bubbles one of radius 50 mm and the other of radius 80 mm are...

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  5. A capillary tube of radius 0.25 mm is submerged vertically in water so...

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  6. Liquid rises to a height of 2 cm in a capillary tube and the angle of ...

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  7. If a section of soap bubble (of radius R) through its centre is consid...

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  8. Work done in splitting a drop of water of 1 mm radius into 10^6 drople...

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  9. A soap film in formed on a frame of area 4xx10^(-3)m^(2). If the area ...

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  10. The work done in increasing the size of soap film with dimensions 8cm ...

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  11. A frame made of metalic wire enclosing a surface area A is covered wit...

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  12. The excess pressure inside one soap bubble is three times that inside ...

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  13. The force required to lift a circular flat plate of radius 5 cm on the...

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  14. Find the difference of air pressure (in N-m^(-2)) between the inside a...

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  15. It is easy to wash clothes in hot water because its :-

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  16. Surface tension of water is 0.072 Nm^(-1). The excess pressure inside ...

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  17. The surface tension of soap solution is 0.03 N//m . The work done in b...

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  18. A 10 cm long wire is placed horizontal on the surface of water and is ...

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  19. Work done in increasing the size of a soap bubble from a radius of 3 c...

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  20. If T is the surface tension of a liquid, the energy needed to break a ...

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