Home
Class 11
PHYSICS
Assertion: The shape of an automobile i...

Assertion: The shape of an automobile is so designed that its front resembles the streamline pattern of the fluid through which it moves.
Reason: The resistance offered by the fluid is maximum.
Select the correct option from the following options.

A

Both assertion and reason are true and reason explains assertions correctly.

B

Both assertion and reason are true and reason does not explain assertion correctly.

C

Both assertion and reason are false.

D

Both assertion and reason are true.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF MATTER

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS ( VERY SHORT ANSWER QUESTIONS )|36 Videos
  • PROPERTIES OF MATTER

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (SHORT ANSWER QUESTIONS )|48 Videos
  • PROPERTIES OF MATTER

    PREMIERS PUBLISHERS|Exercise EVALUTION TEXTBOOK QUESTIONS & ANSWERS (NUMERICAL PROBLEMS )|20 Videos
  • OSCILLATIONS

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS ( CONCEPTUAL QUESTIONS.)|24 Videos
  • QUESTION PAPER MARCH 2019

    PREMIERS PUBLISHERS|Exercise Part- IV|23 Videos

Similar Questions

Explore conceptually related problems

In the following question statement 1 represent Assertion and statement 2 represents Reason . Statement 1 : The velocity of a particle at a point on its trajectory is equal to the slope at that point . Statement 2 : The velocity of the particle acts along the tangent to the trajectory at the point . Select the correct statement from the following statements .

Assertion : In simple harmonic motion the velocity is maximum when the acceleration is minimum. Reason : In simple harmonic motion the phase difference between velocity and acceleration is (pi)/(2) Select the correct option form the following.

Assertion: When a satellite is moving in a circular orbit around the Earth, total energy of a satellite, is half of its potential energy. Reason: The gravitational force obeys the inverse square law of distance. Select the correct statement of the following.

Assertion: In a meter bridge experiment, the balancing length AC corresponding to null deflection of the galvanometer is x. If the radius of the wire AB is doubled then the balanced length becomes 4x. Reason: The resistance of a wire is inversel proportional to the square of its radius. Which one of the following statement is correct?

Which of the following statements is/are correct about heat? 1. It causes the sensation of hotness and cold ness. 2. When a body is heated, its energy decreases. 3. S.I. unit is Joule. Choose the correct option from the codes given below :

PREMIERS PUBLISHERS-PROPERTIES OF MATTER-OTHER IMPORTANT QUESTION & ANSWERS (MULTIPLE CHOICE QUESTIONS )
  1. Select the correct statement of the following statements for the follo...

    Text Solution

    |

  2. A uniform cube is subjected to volume compression. If each side is dec...

    Text Solution

    |

  3. Assertion: The shape of an automobile is so designed that its front r...

    Text Solution

    |

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

    Text Solution

    |

  5. Assertion: Soap bubble is larger than a water drop. Reason: Surface t...

    Text Solution

    |

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

    Text Solution

    |

  7. Define surface tension of a liquid. Mention its S.I. unit and dimensio...

    Text Solution

    |

  8. A drop of liquid of diameter 2.8 mm breaks up into 125 identical drops...

    Text Solution

    |

  9. Angle of contact of a liquid with a solid depends on:

    Text Solution

    |

  10. Select the correct reason for, Small droplets of a liquid are usually ...

    Text Solution

    |

  11. A thread is tied slightly loose to a wire frame as in Figure and the f...

    Text Solution

    |

  12. In a capillary tube, water rises to 3 mm. The height of water that wil...

    Text Solution

    |

  13. The amount of the work done in blowing a soap bubble of radius r and s...

    Text Solution

    |

  14. An aeroplane gets its upward lift due to phenomenon described by the

    Text Solution

    |

  15. In old age arteries carrying blood in the human body become narrow res...

    Text Solution

    |

  16. Bernoulli's equation for steady, non-viscous, incompressible flow expr...

    Text Solution

    |

  17. Water flows steadily through a horizontal pipe of variable cross-secti...

    Text Solution

    |

  18. Calculate the force required to separate the glass plate of area of 10...

    Text Solution

    |

  19. A cylinder of height 20 m is completely filled with water. The velocit...

    Text Solution

    |

  20. A wind with speed 40 m/s blows parallel to the roof of a house. The a...

    Text Solution

    |