Home
Class 12
PHYSICS
If 'p' calorie of heat energy is inciden...

If 'p' calorie of heat energy is incident on a body and absorbs 'q' calories of heat absorbed then its coefficient of absorption is .

A

p/q

B

q/p

C

(q-p)/p

D

(p-q)/p

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Competitive thinking|187 Videos

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos

  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos

Similar Questions

Explore conceptually related problems

If 'p' calorie of heat energy is incident on a body and absorbs 'q' calories its coefficient of absorption is .

When heat energy is incident on a body, then

1000 calories of radiant heat is incident on a body. If the body absorbs 400 calories of heat, find the coefficient of emission of the body.

Good absorbers of heat are

When p calories of heat is given to a body, it absorbs q calories, then the absorbtion power of body will be :-

Given that p joule of heat is incident on a body and out of it q joule is reflected and transmitted by it. The absorption co-efficient of the body is :

How many calories of heat will be absorbed when 3 kg of ice at 0^(@)C melts ?

Heat energy is incident on the surface at the rate of 1000J/min. If coefficient of absorption is and coeffiicient of reflection is 0.5 the heat energy transmitted by the surface in 5 min is

How much work can be done by 100 calories of heat?

TARGET PUBLICATION-KINETIC THEORY OF GASES AND RADIATION -critical thinking
  1. Out of 10J of radiant energy incident on a surface, the energy absorbe...

    Text Solution

    |

  2. If an athermanous body absorbs 20% of the incident radiant energy, the...

    Text Solution

    |

  3. If 'p' calorie of heat energy is incident on a body and absorbs 'q' ca...

    Text Solution

    |

  4. An ideal Black-body at room temperature is thrown into a furnace. It i...

    Text Solution

    |

  5. Why is a conical projection in front of the hole in Ferry's black body...

    Text Solution

    |

  6. If the temperature of any ideal black body is halved, then the wavelen...

    Text Solution

    |

  7. The rate of emission of heat energy per unit area of an iron ball of r...

    Text Solution

    |

  8. Emissive power of cube is 1000 J//m^2s and it · radiates heat at the r...

    Text Solution

    |

  9. A body of surface are 15xx10^(-3)m^2 emits 0.3 kcal in 40 second at a...

    Text Solution

    |

  10. A hot and a cold body are kept in vacuum separated from each other. Wh...

    Text Solution

    |

  11. Unit of Stefan's constant is

    Text Solution

    |

  12. If the temperature o fblack body decreases to half of the initial temp...

    Text Solution

    |

  13. If the temperature of a hot body is increased by 50%, then the increas...

    Text Solution

    |

  14. The temperatures of two bodies A and B are 727^(@)C and 127^(@)C . Th...

    Text Solution

    |

  15. A spherical black body with a radius of 20 cm radiates 440 W power at ...

    Text Solution

    |

  16. A body having a surface area of 50cm^2 radiates 300J of energy per min...

    Text Solution

    |

  17. At 127^(@)C radiated energy is 2.7 xx 10^(-3) J//s. At what temperatur...

    Text Solution

    |

  18. The rate of cooling at 600 K, if surrounding temperature is 300 K is R...

    Text Solution

    |

  19. Two solid spheres of radii R(1) and R(2) are made of the same material...

    Text Solution

    |

  20. A black body radiates 6 J//cm^2s when its temperature is 127 °C. How m...

    Text Solution

    |