Home
Class 11
PHYSICS
When temperature gradient is considered ...

When temperature gradient is considered as positive and negative ?

Text Solution

Verified by Experts

If temperature difference is taken from hot end at perpendicular distance then negative and if temperature difference is taken from cold end at perpendicular distance then it is taken as positive.
Promotional Banner

Topper's Solved these Questions

  • THERMAL PROPERTIES OF MATTER

    KUMAR PRAKASHAN|Exercise Section - C Objective Questions (VSQs) Are the following Statements True or False ?|8 Videos

  • THERMAL PROPERTIES OF MATTER

    KUMAR PRAKASHAN|Exercise Section - C Objective Questions (VSQs) Fill in the Blank|6 Videos

  • THERMAL PROPERTIES OF MATTER

    KUMAR PRAKASHAN|Exercise Section - B Numerical From .DARPAN. Based On Textbook|7 Videos

  • SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

    KUMAR PRAKASHAN|Exercise SECTION-F (SECTION-D) QUESTIONS PAPER|1 Videos

  • THERMODYANMICS

    KUMAR PRAKASHAN|Exercise Question Paper|11 Videos

Similar Questions

Explore conceptually related problems

What is temperature gradient ?

Why are errors expressed as positive and negative?

When the charge is considered as point ?

For metals temperature coefficient of resistivity is positive or negative ?

When is the work done by a force is positive and negative ?

An irregular rod of same uniform material as shown in figure is conducting heat at a steady rate. The temperature gradient at various sections versus area of cross section graph will be

For each of the following compound statements first identify the connecting words and then break it into component statements: Square of an integer is positive or negative.

KUMAR PRAKASHAN-THERMAL PROPERTIES OF MATTER-Section - C Objective Questions (VSQs)
  1. Write SI and CGS unit of heat and give their relation.

    Text Solution

    |

  2. What is temperature gradient ?

    Text Solution

    |

  3. When temperature gradient is considered as positive and negative ?

    Text Solution

    |

  4. Value of temperature gradient is 80^(@) C/m on a rod of 0.5 m length. ...

    Text Solution

    |

  5. Are rate of heat emission and rate of cooling same ? Explain this.

    Text Solution

    |

  6. What power is gained by a man when he eats 100 g ice in one minute ? L...

    Text Solution

    |

  7. In day of summer the glass of water of ice becomes hot on table with r...

    Text Solution

    |

  8. What is called absolute zero temp ?

    Text Solution

    |

  9. On what does the value of coefficient of linear expansion depend ?

    Text Solution

    |

  10. Give the value of coefficient of volume expansion at 0^(@)C for ideal ...

    Text Solution

    |

  11. Give value of coefficient of volume expansion at room temperature for ...

    Text Solution

    |

  12. On what value of alpha(V) depends ? Write its unit.

    Text Solution

    |

  13. On which fcator does the thermal conductivity depend ?

    Text Solution

    |

  14. On what the value of heat capacity depends ?

    Text Solution

    |

  15. On which factor does the required amount of heat depend to increase te...

    Text Solution

    |

  16. Write dimensional formula of heat capacity.

    Text Solution

    |

  17. By what the temperature difference can be determined if the state of s...

    Text Solution

    |

  18. Why water is used as coolant in automobile radiator ?

    Text Solution

    |

  19. Why the water is used in the rubber bag for the fomentation on body ?

    Text Solution

    |

  20. Why the winds coming from sea are cool in summer ?

    Text Solution

    |