Home
Class 14
GENERAL KNOWLEDGE
A solid cube and solid sphere of the sam...

A solid cube and solid sphere of the same material have equal surface areas .Both are at the same temperature of `120^(ul2)` C then

A

both of them will cool down at the same rate

B

the cube will cool down faster than the sphere

C

the sphere will cool down faster than the cube

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A solid cube and a solid sphere of the same material have equal surface area. Both are at the same temperature 120^(@)C , then

A solid sphere and a hollow sphere of the same material and of equal radii are heated to the same temperature

A solid sphere and a hollow sphere of the same material and of equal radii are heated to the same temperature.

A solid cube and a sphere are made of the same material and both have the same surface area. If both are at the temperature of 300 K then initial

A solide sphere and a hollow sphere of the same material and of equal radii are heated to the same temperature (i) Both will emit equal amount of radiation per unit time in the beginning (ii) Both will absorb equal amount of radiation from the surrounding in the beginning (iii) The initial rate of cooling dT//dt will be same for the two spheres (iv) The two spheres will have equal temperatures at any instant

A solid sphere and a hollow sphere of the same material and size are heated to the same temperature and allowed to cool in the same surroundings. If the temperature difference between the surroundings and each sphere is T, then :

A hollow and a solid sphere of same material and identical outer surface under identical condition are heated to the same temperature at the same time (both have same e, a):

A cube and a sphere of the same material and same total surface area are placed in the sae space turn by turn, after heating them to the same temperature. Compare their initial rate of cooling in the enclosure.

A solid sphere and hollow sphere of the same material have mass. Then moment of inertia about the diameter is more for

Recommended Questions
  1. A solid cube and solid sphere of the same material have equal surface ...

    Text Solution

    |

  2. सामान्यत ताप एवं दाब उप ब्रोमीन एक द्रव है जबकि आयोडीन ठोस । कारण सहित...

    Text Solution

    |

  3. एक इलेक्ट्रॉन एवं एक प्रोटॉन समान विभव से त्वरित किये जाते हैं। इनमें ...

    Text Solution

    |

  4. एक प्रोटोन व एक alpha -कण समान वेग से एकसमान चुम्बकीय क्षेत्र में लम्...

    Text Solution

    |

  5. एक इलेक्ट्रॉन तथा एक प्रोटॉन जिनकी गतिज उर्जाएँ समान है, एकसमान चुम्बक...

    Text Solution

    |

  6. दो लम्बे सीधे तार परस्पर 75 सेमी की दूरी पर है। इनमें 5.0 ऐम्पियर की ध...

    Text Solution

    |

  7. एक प्रोटॉन, एक ड्यूट्रॉन तथा alpha कण समान विभवान्तर से त्वरित होकर ...

    Text Solution

    |

  8. दो l तथा 4l लम्बाई के धारावाही चालकों को मोड़कर क्रमशः 2 फेरों तथा 4 ...

    Text Solution

    |

  9. एक द्विअंगी ठोस (A^(+)B^(-)) की संरचना जिंक ब्लैंड सदृश है । B^(-) आयन...

    Text Solution

    |