Home
Class 11
PHYSICS
When a spoon is sunk into a cup of tea, ...

When a spoon is sunk into a cup of tea, the tea gets cooled down. Which of the following material with which the spoon has to be made so that it becomes most effective for this purpose?

A

Aluminium

B

Steel

C

Iron

D

Copper

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • OSCILLATION AND WAVES

    PATHFINDER|Exercise QUESTION BANK|300 Videos
  • ROTATIONAL MECHANICS

    PATHFINDER|Exercise QUESTION BANK|141 Videos

Similar Questions

Explore conceptually related problems

A cylindrical container is to be made from certain solid material which the following constraints : It has a fixed inner volume of V mm^3 , has a 2 mm thick solid wall and is open at the top. The bottom of the container is a solid circular disc of thickness 2 mm and is of radius equal to the outer radius of the container. If the volume of the materia! used to make the container is minimum when the inner radius of the container is 10 mm, then the value of V/(250pi) is

Number of cups beyond which Tea or Coffee becomes harmful is

PATHFINDER-PROPERTIES OF BULK MATTER-QUESTION BANK
  1. Two liquids are at temperature 20^@C and 40^@C. When same mass of both...

    Text Solution

    |

  2. The temperature at which change of state occurs, depends on

    Text Solution

    |

  3. Which of the following quality is needed for an ideal calorimetric liq...

    Text Solution

    |

  4. Due to higher specific heat of water

    Text Solution

    |

  5. Specific heat of aluminium is higher than copper. Two spheres of same ...

    Text Solution

    |

  6. The dimension of specific heat is

    Text Solution

    |

  7. A metal X of mass m at 0^@C is placed in contact with another metal Y ...

    Text Solution

    |

  8. 50 gm ice at 0^@C is dropped into 50 gm of water at 20^@C. The final t...

    Text Solution

    |

  9. When a spoon is sunk into a cup of tea, the tea gets cooled down. Whic...

    Text Solution

    |

  10. Does the specific heat of any substance depend on temperature

    Text Solution

    |

  11. Specific heat of a substance in cal/gm ^@C is greater than its specifi...

    Text Solution

    |

  12. 1 gm of ice at 0^@C is added to 5 gm of water at 10^@C. What will be t...

    Text Solution

    |

  13. Three liquids of equal masses are mixed. The specific heats are S1, S2...

    Text Solution

    |

  14. How many gram of ice at -14^@C are needed to cool 200 gm of water from...

    Text Solution

    |

  15. A copper block of mass 2.5 kg is heated in a furnace to a temperature ...

    Text Solution

    |

  16. When 0.15 kg of ice at 0^@C mixed with 0.30 gm of water at 50^@ in a c...

    Text Solution

    |

  17. The coolant in a nuclear plant should have high specific heat. Why?

    Text Solution

    |

  18. 5 gm of ice at -10^@C are mixed with 20 gm of water at 39^@C. Will who...

    Text Solution

    |

  19. Two liquids are at temperature 20^@C and 40^@C. When same mass of both...

    Text Solution

    |

  20. A piece of iron of mass 100 gm is kept inside a furnace for a long tim...

    Text Solution

    |