Home
Class 11
PHYSICS
Why does the column of mereury first fal...

Why does the column of mereury first fall and then rise when a mercury in glass thermometer is put on a flame?

Promotional Banner

Topper's Solved these Questions

  • PHYSICAL WORLD AND MEASUREMENT

    JBD PUBLICATION|Exercise EXAMPLE|105 Videos
  • Thermodynamics

    JBD PUBLICATION|Exercise EXAMPLE|69 Videos

Similar Questions

Explore conceptually related problems

Why does the rate of a reaction increase with rise in temperature?

Why does the horse rider fall forward when a running horse suddenly stops ?

Out of so many metals why mercury is used to measure the temperature in the thermometers?

Why does the acceleration of a magnet falling through a long solenoid decrease?

JBD PUBLICATION-PROPERTIES OF BULK MATTER-EXAMPLE
  1. In what respect does heat radiation different from light?

    Text Solution

    |

  2. State Dulong-Petti's law.

    Text Solution

    |

  3. Why does the column of mereury first fall and then rise when a mercury...

    Text Solution

    |

  4. Explain why a good conductor of heat is also a good conductor of elect...

    Text Solution

    |

  5. Why the pipes carrying steam should have loops?

    Text Solution

    |

  6. Why does a solid expand on the basis of molecular theory?

    Text Solution

    |

  7. A brass disc fits tightly in a hole in a steel sheet.Explain whether ...

    Text Solution

    |

  8. A block of wood is floating on water at 0^@ C to 8^@C.How does the vol...

    Text Solution

    |

  9. Explain how the high value of specific heat capacity of water helps in...

    Text Solution

    |

  10. Can water in a beaker be made to boil by placing it in a bath of water...

    Text Solution

    |

  11. Distinguish between convection and radiation.

    Text Solution

    |

  12. Write one difference between natural convection and forced convection.

    Text Solution

    |

  13. Why are small holes provided at the bottom of the chimney of the oil l...

    Text Solution

    |

  14. Out of two thermos flasks of same height and capacity but one having c...

    Text Solution

    |

  15. State Newton's law of cooling.

    Text Solution

    |

  16. Is the bulb of a thermometer made of diathermic or adiabatic wall?

    Text Solution

    |

  17. Why does a metal bar appear hotter than a wooden bar at the same tempe...

    Text Solution

    |

  18. Calculate the temperature which has same numerical value on Celsius an...

    Text Solution

    |

  19. These days people use steel utensils with copper bottom. This is suppo...

    Text Solution

    |

  20. One day in the morning, Ramesh filled up 1/3 bucket of hot water from ...

    Text Solution

    |