Home
Class 12
PHYSICS
Assertion: Water drops take spherical sh...

Assertion: Water drops take spherical shape when falling freely.
Reason: Water has minimum surface tension among all liquids.

A

1.If both assertion and reason are true and reason is the correct explanation of assertion.

B

2.If both assertion and reson are true but reason is not the correct explanation of assertion.

C

3.if assertion is true but reason is false.

D

4.If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
D

Water drops take oval shape when falling freely. Surface tension of water is not minimum among all liquids.
Promotional Banner

Topper's Solved these Questions

  • AIIMS 2019 25 MAY EVENING SHIFT

    AIIMS PREVIOUS YEAR PAPERS|Exercise PHYSICS|38 Videos
  • AIIMS 2019 26 MAY EVENING SHIFT

    AIIMS PREVIOUS YEAR PAPERS|Exercise PHYSICS|33 Videos

Similar Questions

Explore conceptually related problems

Assertion : The impurities always decrease the surface tension of a liquid. Reason : The change in surface tension of the liquid depends upon the degree of contamination of the impurity.

Assertion : Water drop stick to glass surface. Reason : Water have properties of surface tension.

When NaCl is added to water, the surface tension of watr will

At which temperaure, he surface tension of water has a minimum value?

Assertion : Water expands both when heated or cooled from 4^(@)C Reason : Density of water is minimum at 4^(@)C .

When the temperature is increased surface tension of water .

A drop of liquid takes nearly a spherical shape because .

Assertion: Oil drops spread on cold water and remain as a drop on hot water. Reason : Surfnce tension of oil is less than cold water and more than that of hot water.

AIIMS PREVIOUS YEAR PAPERS-AIIMS 2019 25 MAY MORNING SHIFT-PHYSICS
  1. Calculate radiationn powe for sphere whose temperature is 227^(@)C and...

    Text Solution

    |

  2. Determine efficiency of carnot cycle if in adiabatic expansion volume ...

    Text Solution

    |

  3. Amximum amplitude of SHM so block A will not slip on block B, K=100N/m

    Text Solution

    |

  4. The temperature of food material in refrigerator is 4^(@)C and tempera...

    Text Solution

    |

  5. The graph between velocity and position for a damped oscillation will ...

    Text Solution

    |

  6. Assertion: In u(235) fission reaction neutrons are required to be slow...

    Text Solution

    |

  7. Assertion: P v/s (1)/(V) graph is straight line for adiabatic process....

    Text Solution

    |

  8. Assertion: Electron moving perpendicular to vecB will perform circular...

    Text Solution

    |

  9. Assertion: A glass ball is dropped on concrete floor can easily get br...

    Text Solution

    |

  10. Assertion: Distance between posittion of bright and dark fringe remain...

    Text Solution

    |

  11. Assertion:Paramagneic substances get poorly attracted in magnetic fiel...

    Text Solution

    |

  12. Assertion: Heavy water is used to slow down neutron in nuclear reactor...

    Text Solution

    |

  13. Assertion: Collisionn between two billiard's ball are inelastic Reas...

    Text Solution

    |

  14. Assertion: Rayleigh scattering can be considered as elastic collisions...

    Text Solution

    |

  15. Assertion: FM broadcat is better than AM broadcast. Reason: Noice ch...

    Text Solution

    |

  16. Assertion: In adiabatic process work is independent of path. Reason:...

    Text Solution

    |

  17. Assertion: Water drops take spherical shape when falling freely. Rea...

    Text Solution

    |

  18. Assertion: In ionospheric reflection, phase change does not occurs wit...

    Text Solution

    |

  19. Assertion: There is not loss in energy in elastic collision. Reason:...

    Text Solution

    |

  20. Assertion: In both radio actiivity and photoelectric effect electrons ...

    Text Solution

    |