Home
Class 11
PHYSICS
A fauly barometer reads 71.12cm and 76.2...

A fauly barometer reads 71.12cm and 76.20cm when a true barometer reads 72.39cm and 78.74cm, respectively. Find the ture reading when the faulty barometer stands at 73.66cm.

Text Solution

Verified by Experts

The correct Answer is:
70.6 cm
Promotional Banner

Topper's Solved these Questions

  • HYDROSTATICS

    NN GHOSH|Exercise EXERCISES|59 Videos

  • HYDRODYNAMICS

    NN GHOSH|Exercise EXERCISES|19 Videos

  • INTENSITY AND PITCH OF MUSICAL NOTES

    NN GHOSH|Exercise EXERCISE|14 Videos

Similar Questions

Explore conceptually related problems

A barometer is faulty . When the true barometer reading are 73 cm and 75 cm of Hg , the faulty barometer reads 69 cm and 70 cm respectively (i) What is the total length of the barometer tube? (ii) What is the reading when the faulty barometer reads 69.5 cm? (iii) What is the faulty barometer reading when the true barometer reads 74 cm?

the height of mercury in a fauilty barometer is 75 cm and the tube above mercury is 10 cm long. The correct barometer reading is 76 cm. when the faulty barometer reads 74 cm, find the true barometer reading .

A mercury thermoeter read 80^(@)C when the mercury is at 5.2cm mark and 60^(@) when the mercury is at 3.9cm mark. Find the temperature when the mercury level is at 2.6cm mark.

The length , breadth and height of a cuboidal shaped box of medicine is 20 cm , 12 cm and 10 cm respectively . Find the total surface area of the box .

The radii of the circular faces of the frustum are 20 cm and 12 cm respectively . If the height of the frustum is 15 cm , then find its slant height.

A barometer kept in an elevator reads 76 cm when it is at rest. If the elevator goes up with increasing speed, the reading will be

A faulty barometer tube is 90cm long and its contains some air above mercury. The reading is cm when the true atmospheric pressure 76cm . What will be the true atmospheric pressure if the reading on this barometer is 74 cm? (H = 10cm of water column)

Barometer is constructed using liquid . What would be height of liquid column when mercury barometer reads 76cm

At the top of the mountain the temperature is -13^(@)C and the barometer reads 68 cm of Hg. At the bottom the temperature is 27^(@)C and the barometer reads 70 cm of Hg. What is the ratio of the densities of the air at the mountain to that the sea level?

NN GHOSH-HYDROSTATICS-EXERCISES
  1. A bottle whose volume is 0.45 xx 10^(-3) m^(3) is sunk mouth downwards...

    Text Solution

    |

  2. The volume of an air bubble becomes 8 times the original volume in ris...

    Text Solution

    |

  3. A fauly barometer reads 71.12cm and 76.20cm when a true barometer read...

    Text Solution

    |

  4. The hieght of a mercury barometer is 75.6 cm . the baromter tube has c...

    Text Solution

    |

  5. the height of a mercury barometer is 76 cm at sea level and 50 cm at ...

    Text Solution

    |

  6. the height of mercury in a fauilty barometer is 75 cm and the tube abo...

    Text Solution

    |

  7. The neck and bottom of a bottle are 2 cm and 20 cm in diameter respect...

    Text Solution

    |

  8. in a Bramha's press the area of the two plungers are 2cm^(2) and 60 cm...

    Text Solution

    |

  9. A pump in the basement of a garage is used to poerate a hyfraulin hack...

    Text Solution

    |

  10. the presseure inside th receiver of an air pump is reduced to 1/4 of t...

    Text Solution

    |

  11. in an air pump, the volume of the barral is 1/10 that of the receiver....

    Text Solution

    |

  12. the cylinder of a water pump is 4 cm above the surface of water in a w...

    Text Solution

    |

  13. the barral of a common pump (pump for warer ) is 50 cm long and its bo...

    Text Solution

    |

  14. A vessel is filled with mercury to a hiegt of 0.9 m . Could the vessul...

    Text Solution

    |

  15. A canal lock gate is 4 m broad and the depth of water on opposite side...

    Text Solution

    |

  16. to what height must a cylinder must a cylinder be filled with a liquid...

    Text Solution

    |

  17. Two identical cylindrical vessel with their bases at the same level ea...

    Text Solution

    |

  18. A iron shell loses half its weight in water. What portion of its volum...

    Text Solution

    |

  19. A cylinder of relative density 0.7 is 0.5 m high and the radius of its...

    Text Solution

    |

  20. A ship with cargo sinks by x when she goes into a river from the sea. ...

    Text Solution

    |