Home
Class 11
PHYSICS
An ungraduated thermometer of uniform bo...

An ungraduated thermometer of uniform bore is attached to a centimeter scale and is found to read `10.3 cm` in melting ice, 26.8 cm in boiling water and 6.5 cm in freezing mixture. Calculate the temperature of the freezing mixture.

Text Solution

Verified by Experts

The correct Answer is:
`-23.03^(@)C`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Resistance of platinum wire in a platinum resistance thermometer at melting ice, boiling water and at a hot bath are 6Omega,6.5Omega and 6.2Omega , respectively. Find temperature of hot bath.

A thermometer graduated accoding linear scale reads a value x_(0) when in contact with boiling water, and X_(0)s//3 when in contact with ice . What is the temperature of an object in .^(@)C , if this thermometer in the contact with the object reads x_(0)//2 ?

On a winter day when the atmospheric temperature drops to -10^(@)C , ice forms on the surface of a lajke. (a) Calculate the rate of increases of thickness of the ice when 10cm of ice is already formed. (b) Calculate the total time taken in forming 10cm of ice. Assume that the temperature of the entire water reaches 0^(@)C before the ice starts forming. Density of water =1000kgm^(-3) , latent heat of fusion of ice =3.36xx10^(5)Jkg^(-1) and thermal conductivity of ice =1.7Wm^(-1) ^(@)C^(-1) . Neglect the expension of water on freezing.

The diameter of a horizontal tube at points A and B are 6 cm and 3 cm, respectively. Two manometer limbs are attached at A and B. When water is allowed to flow through the tube, pressure difference of 10 cm is noted between the limbs. Calculate the rate of flow of water in the tube.

A solid metallic sphere of radius 5.6 cm is melted and solid cones each of radius 2.8 cm and height 3.2 cm are made. Find the number of such cones formed.

(1) Take a few pieces of ice in a glass beaker as shown in figure. (2) Insert the bulb of a thermometer in ice and measure its temperature. (3) Put the beaker on a stand and heat the ice using a burner. (4) Record the temperature using the thermometer after every minute. (5) As the ice is heated,it starts melting. Stir the mixture of ice and water. (6) Continue the heating even after ice starts melting. (7) Draw a graph of temperature versus time. Define boiling point of a liquid. OR What is boiling point of a liquid ?

A well insulated container has a mixture of ice and water, at 0^(@)C . The mixture is supplied heat at a constant rate of 420 watt by switching on an electric heater at time t = 0. The temperature of the mixture was recorded at time t = 150s, 273s and 378s and the readings were 0^(@)C , 10^(@)C and 20^(@)C respectively. Calculate the mass of water and ice in the mixture. Specific heat of water = 4.2 J g^(-1) .^(@)C^(-1) , Specific latent heat of fusion of ice = 336 J g^(-1) . Assume that the mixture is stirred slowly to maintain a uniform temperature of its content.

(1) Take a few pieces of ice in a glass beaker as shown in figure. (2) Insert the bulb of a thermometer in ice and measure its temperature. (3) Put the beaker on a stand and heat the ice using a burner. (4) Record the temperature using the thermometer after every minute. (5) As the ice is heated,it starts melting. Stir the mixture of ice and water. (6) Continue the heating even after ice starts melting. (7) Draw a graph of temperature versus time. Define specific latent heat of fursion. OR What is specific latent heat of fusion? State its units.

SL ARORA-HEAT-Problem For Self Practice
  1. A faulty thermometer reads 5^@ C melting ice and 99^@ C in steam. Find...

    Text Solution

    |

  2. An ungraduated thermometer of uniform bore is attached to a centimeter...

    Text Solution

    |

  3. The normal temperature of the human body is 98.4^(@)F.Calculcate this ...

    Text Solution

    |

  4. What is the triple point of water on a Fahrenheit scale ? What is the ...

    Text Solution

    |

  5. when a thermometer is taken from the melting ice to a warm liquid, the...

    Text Solution

    |

  6. The pressure of air in the bulb of constant volume air thermometer is ...

    Text Solution

    |

  7. At what temperature is the Fahrenheit scale reading equal to (a) twi...

    Text Solution

    |

  8. At what temperature is the Fahrenheit scale reading equal to (a) twi...

    Text Solution

    |

  9. A constant volume thermometer registers o pressure of 1.500 xx 10^4 Pa...

    Text Solution

    |

  10. The resistance of a certain platinum resistance thermometer is found t...

    Text Solution

    |

  11. The resistances of a platinum resistane thermometer are 2.5 Omega, 4.0...

    Text Solution

    |

  12. The temperature coefficient of resistance of the material of a wire is...

    Text Solution

    |

  13. The resistance of a platinum resistance thermometer is 3.14 Omega at 4...

    Text Solution

    |

  14. A platinum resistancethermometer reads 0^0at the ice point and boiling...

    Text Solution

    |

  15. A copper bar is 80 cm long at 15^(@)C. What is the increase in length,...

    Text Solution

    |

  16. A metal rod measures 50 cm in length at 20^(@)C. When it is heated to ...

    Text Solution

    |

  17. Railway lines are laid with gaps to allow for expansion. If the gap be...

    Text Solution

    |

  18. A brass disc has a hole of diameter 2.5 cm at 27^(@)C. Find the change...

    Text Solution

    |

  19. A steel tape is callibrated at 20^@ C. On a cold day when the temperat...

    Text Solution

    |

  20. A steel scale measures the length of a copper wire as 80.0 cm when bot...

    Text Solution

    |