Home
Class 11
PHYSICS
Air is heated by...

Air is heated by

A

conduction

B

convection

C

eradiation

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THERMAL PROPERTIES OF MATTER

    BINA LIBRARY|Exercise EXERCISE|119 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    BINA LIBRARY|Exercise EXERCISE|61 Videos

  • THERMODYNAMICS

    BINA LIBRARY|Exercise EXERCISE |59 Videos

Similar Questions

Explore conceptually related problems

If a bimetallic strip made of iron and copper is heated ,then

Even when no heat is exchanged by the contents of a thermos flask,m the contents get heated up by constant shaking. Why?

What happens when Gypsum is heated.

What is meant by air resistance ?

What is molar specific heat?How its related to specific heat?

Can air, water and soil be exhausted by human activities ?

BINA LIBRARY-THERMAL PROPERTIES OF MATTER -EXERCISE
  1. The ventilation of building is necessary for

    Text Solution

    |

  2. The melting point of an alloy is usually

    Text Solution

    |

  3. What is the effect of increase of pressure on melting point of ice?

    Text Solution

    |

  4. Boiling point of water

    Text Solution

    |

  5. A marble floor appears cold than a cemented floor, because marble has

    Text Solution

    |

  6. Air is heated by

    Text Solution

    |

  7. A perfect black body

    Text Solution

    |

  8. The essence of kirchoff's law is that

    Text Solution

    |

  9. The total radiation emitted by a perfectly black body is proportional ...

    Text Solution

    |

  10. Conversion of heat into electrical energy can be achieved by Accroding...

    Text Solution

    |

  11. Accroding to newton's law of cooling (provided the difference of tempe...

    Text Solution

    |

  12. An ideal material for making cooking vessels must have

    Text Solution

    |

  13. A hot body will radiate heat most rapidly ,if its surface is

    Text Solution

    |

  14. If the temperature of sun is doubled,the rate of energy received on ea...

    Text Solution

    |

  15. which of the following cylindrical rods will conduct most heat,when th...

    Text Solution

    |

  16. Two spheres of same material have radii 1 m and 4m and temperature 400...

    Text Solution

    |

  17. A black body at a high temperature T radiates energy at the rate of E....

    Text Solution

    |

  18. A spherical black body with radius 12 cm radiates 450 W power at 500K,...

    Text Solution

    |

  19. A sphere ,a cubeand a thin circular plate,all made of the same meterie...

    Text Solution

    |

  20. A polished metal plate with a rough black spot on it is heated to abou...

    Text Solution

    |