Home
Class 11
PHYSICS
Assertion : The velocity of fall of a ...

Assertion : The velocity of fall of a man jumping with a parachute first increases and then becomes constant.
Reason : The constant velocity of fall of man is called terminal velocity.

A

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

B

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

C

If assertion ture but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • FLUID MECHANICS

    ERRORLESS |Exercise Fluid Mechanics|19 Videos
  • FLUID MECHANICS

    ERRORLESS |Exercise Graphical Questions|5 Videos
  • ELASTICITY

    ERRORLESS |Exercise Self Evaluation Test|11 Videos
  • FRICTION

    ERRORLESS |Exercise MCQ S|125 Videos

Similar Questions

Explore conceptually related problems

The velocity of fall of a man jumping with a parachute first increases and then becomes constant. Explain.

Assertion : Terminal velocity is same as the critical velocity. Reason : The constant velocity of fall of a body through a viscous fluid is called terminal velocity.

Rain drops fall with terminal velocity due to

Under what conditions, the velocity of a body falling in a medium (i) increases with time (ii) becomes constant with time (iii) becomes zero with time.

. Assertion: The velocity of sound increases with increases in humidity. Reason: Velocity of sound does not depend upon the medium.

When a sphere falling in a viscous fluid attains a terminal velocity, then

Assertion : The velocity of electromagnetic waves depends on electric and magnetic properties of the medium Reason : Velocity of electromagnetic waves in free space is constant.

A steel ball of mass m falls in a viscous liquid with terminal velocity v, then the steel ball of mass 8m will fall in the same liquid with terminal velocity

ERRORLESS -FLUID MECHANICS-Asseration and Reason
  1. Assertion : A piece of ice floats in water, the level of water remai...

    Text Solution

    |

  2. Assertion: The velocity increases, when water flowing in broader pipe ...

    Text Solution

    |

  3. Assertion : The velocity of fall of a man jumping with a parachute f...

    Text Solution

    |

  4. Assertion: The velocity of flow of a liquid is smaller when pressure i...

    Text Solution

    |

  5. Assertion: The shape of an automobile is so designed that its front re...

    Text Solution

    |

  6. Assertion : The size of the needle of a syninge controls flow rate b...

    Text Solution

    |

  7. Assertion: A fluid flowing out of a small hole in a vessel apply a bac...

    Text Solution

    |

  8. Assertion : For a floating body to be in stable equilibrium, its cen...

    Text Solution

    |

  9. Assertion : Water flows faster than honey. Reason : The coefficie...

    Text Solution

    |

  10. Assertion : The viscosity of liquid increases rapidly with rise of t...

    Text Solution

    |

  11. Assertion : Aeroplanes are made to run on the runway before take off...

    Text Solution

    |

  12. Assertion: Sudden fall of pressure of at a place indicates storm. R...

    Text Solution

    |

  13. Statement-1: Machine parts are jammed in winter. Statement-2: The vi...

    Text Solution

    |

  14. Statement -1 : A block of wood is floating in a tank containing water....

    Text Solution

    |

  15. Statement -1 : A rain drop after fallling through some height attains ...

    Text Solution

    |

  16. Assertion : paper pins are made to have pointed end. Reason : Beca...

    Text Solution

    |

  17. Assertion : Railways tracks are laid on small sized wooden sleepers....

    Text Solution

    |

  18. Assertion : It is difficult to stop bleeding from a cut in the body ...

    Text Solution

    |

  19. Assertion : To empty an oil tank, two holes are made. Reason : Oi...

    Text Solution

    |

  20. Assertion : Terminal velocity is same as the critical velocity. Re...

    Text Solution

    |