Home
Class 11
PHYSICS
A water proofing agent chages the angle ...

A water proofing agent chages the angle of contact from

A

from acute to `90^(@)`

B

from obtuse to `90^(@)`

C

from an acute to obtuse value

D

from an obtuse to acute value

Text Solution

Verified by Experts

The correct Answer is:
C
Water proofing agents increases angle of contact.
Promotional Banner

Topper's Solved these Questions

  • FLUID MECHANICS

    DC PANDEY|Exercise B) Medical entrance special format question|19 Videos

  • FLUID MECHANICS

    DC PANDEY|Exercise Match the columns|6 Videos

  • FLUID MECHANICS

    DC PANDEY|Exercise Check point 13.4|10 Videos

  • EXPERIMENTS

    DC PANDEY|Exercise Subjective|15 Videos

  • GENERAL PHYSICS

    DC PANDEY|Exercise INTEGER_TYPE|2 Videos

Similar Questions

Explore conceptually related problems

The water proofing agents:

A sheet can be made water proof by coating it with a substance that changes the angles of contact

Angle of contact depends on

With the increase in temperature the angle of contact glass and water

For impure water - glass surface , the angle of contact is

The parts of motor cars are polished by chromium because the angle of contact between water and chromium is

Calculate the ratio of surface tension of mercury and water if in a capillary tube, mercury is depressed by 3.45 cm and water rises by 9.8 cm in the same tube. The angle of contact for mercury is 140^@ and that for water is 0^@.

A glass plate is partly dipped vertically in the mercury and the angle of contact is measured. If the plate is inclined, then the angle of contact will

Define surface tension and angle of contact.

DC PANDEY-FLUID MECHANICS-Taking it together
  1. On mixing the salt in water, the surface tension of water will

    Text Solution

    |

  2. If two identical mercury drops are combined to form a single drop, the...

    Text Solution

    |

  3. A water proofing agent chages the angle of contact from

    Text Solution

    |

  4. Along a streamline,

    Text Solution

    |

  5. In a streamline flow

    Text Solution

    |

  6. A viscous fluid is flowing through a cylindrical tube. The velocity di...

    Text Solution

    |

  7. Which of the following diagrams does not represent a streamline flow?

    Text Solution

    |

  8. A body measures 5 N in air and 2 N when put in water. The buoyant forc...

    Text Solution

    |

  9. The reading of a spring balance when a block is suspended from it in a...

    Text Solution

    |

  10. A hole is made at the bottom of the tank filled with water (density =1...

    Text Solution

    |

  11. An iron block is on a boat which floats in a pond. The block is thrown...

    Text Solution

    |

  12. The correct curve between the height or depression h of liquid in a ca...

    Text Solution

    |

  13. When two capillary tubes of different diameters are dipped vertically,...

    Text Solution

    |

  14. The liquid in the capillary tube will rise if the angle of contact is

    Text Solution

    |

  15. The surface tension of liuid at its boiling point

    Text Solution

    |

  16. When the temperature increased the angle of contact of a liquid

    Text Solution

    |

  17. The surface tension of a soap solution is 2xx10^(-2) N//m. To blow a b...

    Text Solution

    |

  18. A liquid is coming out from a vertical tube. The relation between the ...

    Text Solution

    |

  19. Prove that if two bubbles of radii r(1) and r(2)(r(1)ltr(2)) come in c...

    Text Solution

    |

  20. The excess pressure due to surface tension in a spherical liquid drop ...

    Text Solution

    |