Home
Class 12
PHYSICS
When a body falls in air, the resistance...

When a body falls in air, the resistance of air depends to a great extent on the shape of the body. 3 different shapes are given. Identify the combination of air resistances which truly represents the physical situation. (The cross sectional areas are the same)

A

`1lt2lt3`

B

`2 lt 3 lt 1`

C

`3 lt 2lt1`

D

`3lt1lt2`

Text Solution

Verified by Experts

The correct Answer is:
c

A stream lined body has less resistance due to air
Promotional Banner

Topper's Solved these Questions

  • KARNATAKA CET 2003

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos
  • KARNATAKA CET 2006

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos

Similar Questions

Explore conceptually related problems

A body is falling freely under the action of force of gravity alone. No air resistance is there as duc laxly is falling in Vacuum. Out of the following quantities which of them remains contant during its fall?

KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2005-PHYSICS
  1. The induction coil works on the principle of

    Text Solution

    |

  2. The square root of the product of inductance and capacitance has the d...

    Text Solution

    |

  3. When a body falls in air, the resistance of air depends to a great ext...

    Text Solution

    |

  4. The adjacent figure is the part of a horizontally stretched net. Secti...

    Text Solution

    |

  5. Out of the following four dimensional quantities, which one qualifies ...

    Text Solution

    |

  6. The relationship between the force Fand position x of a body is as sho...

    Text Solution

    |

  7. From the top of a tower of two stones, whose masses are in the ratio 1...

    Text Solution

    |

  8. Infrared radiation was discovered in 1800 by

    Text Solution

    |

  9. A particle on the trough of a wave at any instant will come to the mea...

    Text Solution

    |

  10. The disc of a siren containing 60 holes rotates at a constant speed of...

    Text Solution

    |

  11. The ratio of velocity of sound in hydrogen and oxygen at STP is

    Text Solution

    |

  12. In an experiment with sonometer a tuning fork of frequency 256 Hz reso...

    Text Solution

    |

  13. The apparent frequency of a note is 200 Hz. When a listener is moving ...

    Text Solution

    |

  14. The wave theory of light, in its original form was first postulated by

    Text Solution

    |

  15. If a liquid does not wet glass, its angle of contact

    Text Solution

    |

  16. The magnitude of I in ampere unit

    Text Solution

    |

  17. Electron of mass m and charge q is travelling with a speed v along a c...

    Text Solution

    |

  18. From figure describing photoelectric effect we may infer correctly tha...

    Text Solution

    |

  19. Two coherent light beams of intensity I and 41 are superposed. The max...

    Text Solution

    |

  20. The electron in a hydrogen atom makes a transition from n = n(1) to n ...

    Text Solution

    |