Home
Class 12
PHYSICS
The light emitted by the sun has maximum...

The light emitted by the sun has maximum wavelength of 570 nm. The light emitted by another star has the maximum wavelength of 380 nm. What is the ratio of the surface temperatures of the star and the sun ?

A

`2/3`

B

`3/2`

C

`3/4`

D

`5/3`

Text Solution

Verified by Experts

The correct Answer is:
B

`T_("star")/T_("sun")=((lamda_(m))_("sun"))/((lamda_(m))_("star"))=570/380=3/2`
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES ,THERMODYNAMICS AND RADIATION

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP - 9|30 Videos
  • INTERFERENCE AND DIFFRACTION

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|20 Videos
  • MAGNETIC EFFECTS OF ELECTRIC CURRENT

    MARVEL PUBLICATION|Exercise MCQ|195 Videos

Similar Questions

Explore conceptually related problems

The sun emits light with a maximum wavelength of 510 nm while another star X emits light of maximum wavelength of 350 nm. What is the ratio of the surface temperatures of the sun and the star ?

The intensity of radiation emitted by the sun has its maximum value at a wavelength of 510 nm and that emitted by the North star has the maximum value at 350 nm. If these stars behave like black bodies, then the ratio of the surface temperatures of the sun and the north star is

The intensity of radiation emitted by the sun has its maximum value at a wavelenght of 510 nm and that emitted by the north star has the maximum value at 350 nm If these stars behave like balackbodies the nthe ratio of the surface temperature of the sun and the north star is .

Light energy emitted by star is due to

Stars S_(1) emits maximum radiation of wave length 420nm and the star S_(2) emits maximum radiation of wavelength 560nm , what is the ratio of the temperature of S_(1) and S_(2) :

What is the colour of the light emitted by the Sun?

Two stars emit maximum radiation at wavelength 3600 Å and 4800 Å respectively. The ratio of their temperatures is

A sodium street light gives off yellow light that has a wavelength of 589nm . What is the frequency of this light?

The light from th esun is found to have a maximum intensity near the wavelength of 470nm. Assuming that the surface o f the sun emits as a blackbody, calculate the temperture of the surface of the sun.

MARVEL PUBLICATION-KINETIC THEORY OF GASES ,THERMODYNAMICS AND RADIATION-TEST YOUR GRASP - 9
  1. The light emitted by the sun has maximum wavelength of 570 nm. The lig...

    Text Solution

    |

  2. The velocities of 4 molecules are 4m/s, 5m/s, 6m/s and 2m/s respective...

    Text Solution

    |

  3. Oxygen and hydrogen gas are at same temperature and pressure. And the ...

    Text Solution

    |

  4. The mean free path of nitrogen molecules at 27^(@)C is 3xx10^(-7)m//s....

    Text Solution

    |

  5. The equation of state for 15 gram of oxygen at pressure P, volume V an...

    Text Solution

    |

  6. The rms velocity of the molecules of a gas at temperature T is 1200 m/...

    Text Solution

    |

  7. If atmospheric pressure P=1xx10^(5)N//m^(2)andR=8J//"mole"//""^(@)K, t...

    Text Solution

    |

  8. At what temperature is the K.E. Of a gas molecules half that of its va...

    Text Solution

    |

  9. Each molecule of a gas has F degrees of freedom . The ratio (C(p))/(C(...

    Text Solution

    |

  10. Argon gas is heated at constant volume through 1^(@)C. The heat suppli...

    Text Solution

    |

  11. C(v) denotes the molar specific heat of a gas at constant volume and g...

    Text Solution

    |

  12. One mole of a monoatomic ideal gas is mixed with one mole of a diato...

    Text Solution

    |

  13. Which one of the following is not true about the following thermodynam...

    Text Solution

    |

  14. During an adiabatic process, the pressure of gas is found to be propor...

    Text Solution

    |

  15. The difference between the principal specific heats of a gas is 300J/k...

    Text Solution

    |

  16. When the temperature of 4 moles of a gas was increased from 80^(@)C to...

    Text Solution

    |

  17. 100g of water is heated from 30^@C to 50^@C. Ignoring the slight expan...

    Text Solution

    |

  18. The temperature of sink of Carnot engine is 27^(@)C. Efficiency of eng...

    Text Solution

    |

  19. In an ideal refrigerator, heat from inside at 280 K is transferred to ...

    Text Solution

    |

  20. Which one of the following statements is true in the case of radiation...

    Text Solution

    |

  21. A perfectly black sphere of diameter 0.2 m is in thermal equilibrium w...

    Text Solution

    |