Home
Class 12
PHYSICS
In solar radiation, the intensity of rad...

In solar radiation, the intensity of radiation is maximum around the wavelength `lambda_(m)`. If R is the radius of the sun and c is the velocity of light, the mass lost by the sum per unit time is proportional to

A

`(R^(2))/( lambda^(4) c^(2))`

B

`(R^(2))/( lambda^(2) c^(2))`

C

`(R^(3))/( lambda^(4) c^(3))`

D

`(R^(3))/(lambda^(4)c^(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • HEAT-MEASUREMENT AND TRANSFER

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS(MORE THAN ONE CORRECT CHOICE TYPE )|8 Videos

  • HEAT-MEASUREMENT AND TRANSFER

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS( LINKED COMPREHENSION)|9 Videos

  • HEAT-MEASUREMENT AND TRANSFER

    RESNICK AND HALLIDAY|Exercise PROBLEMS|35 Videos

  • GRAVITATION

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (INTEGER TYPE)|4 Videos

  • HYDROGEN ATOM

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS(Integer Type)|6 Videos

Similar Questions

Explore conceptually related problems

A photon has an energy where h is the Planck's constant, v is the frequency of radiation, lamda is the wavelength of radiation, and c is the velocity of light.

The power radiated by a black is P and it radiates maximum energy around the wavelength lambda_(0) If the temperature of the black body is now changed so that it radiates maximum energy around a wavelength 3lambda_(0)//4 the power radiated by it will increase by a factor of .

The power radiated by a black body is P, and it radiates maximum energy around the wavelength lambda_(0) . If the temperature of the black body is now changed so that it radiates maximum energy around a wavelength 3lambda_(0)//4 , the power radiated by it will increase by a factor of

The power radiated by a black body is 'P' and it radiates maximum energy around the wavelength lmbda_(0) If the temperature of the black body is now changed so that it raddiates maximum energy around a wavelength lambda_(0)//2 the power radiated becomes .

Solar radiation is found to have an intensity maximum near the wavelength range of 470 nm . Assuming the surface of sun to be perfectly absorbing (a =1) , calculate the temperature of solar surface.

For an enclosure maintained at 2000K, the maximum radiation occurs at wavelength lambda_m . If the temperature is raised to 3000K, the peak will shift to

Experimental investigations show that the intensity of solar radiation is maximum for a wavelength 480 nm in the visible ragion. Estimate the surface temperature of sun. (Given Wien's constant b = 2.88 xx 10^(-3) m K ).

The intensity of the solar radiation is maximum for wavelength lamda_(m)=4753Å in the visible region. The surface temepratureof the sun, is (Assume the sun to be a black body. Wien's constant (b) =2.892xx10^(-3)mK )

Two metal spheres have radii rand 2r and they emit thermal radiation with maximum intensities at wavelengths lambda and 2lambda . respectively. The respective ratio of the radiant energy emitted by them per second will be

RESNICK AND HALLIDAY-HEAT-MEASUREMENT AND TRANSFER-PRACTICE QUESTIONS
  1. A solid sphere has a temperature of 773K. The sphere is melted down th...

    Text Solution

    |

  2. The ends of a thin bar are maintained at different temperatures. The t...

    Text Solution

    |

  3. A piece of glass has a temperature of 83.0^(@)C. Liquid that has a tem...

    Text Solution

    |

  4. A thermos contains 150 cm^(3) of coffee at 85^(@)C. To cool the coffee...

    Text Solution

    |

  5. A mass m of steam at 100^(@)C is to passed into a vessel containing 10...

    Text Solution

    |

  6. A substance of mass M kg requires a power input of P wants to remain i...

    Text Solution

    |

  7. Three rods of the same dimensions have thermal conductivities 3k , 2k ...

    Text Solution

    |

  8. A hot liquid is kept in a big room. The logarithm of the numerical val...

    Text Solution

    |

  9. Choose the correct relation, when the temperature of an isolated black...

    Text Solution

    |

  10. The power radiated by a black body is P, and it radiates maximum energ...

    Text Solution

    |

  11. A body cools in a surrounding which is at a constant temperature of th...

    Text Solution

    |

  12. In solar radiation, the intensity of radiation is maximum around the w...

    Text Solution

    |

  13. When a body is placed in surroundings at a constant temperature of 20^...

    Text Solution

    |

  14. A point source of heat of power P is placed at the centre of a spheric...

    Text Solution

    |

  15. There are three thermometers one in contact with the skin of the man o...

    Text Solution

    |

  16. The only possibility of heat flow in a thermos flask is through its co...

    Text Solution

    |

  17. A black body at 200 K is found to emit maximum energy at a wavelength ...

    Text Solution

    |

  18. A and B are two isolated spheres kept in close proximity so that they ...

    Text Solution

    |

  19. Three rods of identical cross-sectional area and made from the same me...

    Text Solution

    |

  20. A sphere and a cube of same material and same total surface area are p...

    Text Solution

    |