Home
Class 11
PHYSICS
The temperature of the surface of the su...

The temperature of the surface of the sun is approximately 6000 K. If we take a big lens and focus the sun rays, can we produce a temperature of 8000 K?

Promotional Banner

Topper's Solved these Questions

  • FLUIDS AT REST

    SL ARORA|Exercise Problem|19 Videos
  • FLUIDS AT REST

    SL ARORA|Exercise Problem for self practice|69 Videos
  • FLUIDS IN MOTION

    SL ARORA|Exercise All Questions|117 Videos

Similar Questions

Explore conceptually related problems

Assertion: The temperature of the surface of the sun is approximately 6000 K . If we take a big lens and focus the sun rays, we can produce a temperature at 8000 K Reason: This highest temperature can be produced according to second law of thermodynamics.

Surface temperature of Sun is

The temperature of the surface of sun is about 6000K . Can we produced a temp. of 7000K by converging sun's rays using a large convex lens?

The surface temperature of the sun is about 6000K. If the temperature of the sun becomes twice the present temperature, then [b = 2.9xx10^(-3)mK ]

Estimate the average thermal energy of a helium atom at (i) room temperature (27^(@)C) (ii) the temperature on the surface of the sun (6000K), (iii) the temperature of 10 million kelvin (the typical core temperature in the case of a car)

The luminosity of the Rigel star is 17000 times that of the sun. Assume both to be perfectly back bodies. If the surface temperature of the sun 6000 K, then the temperature of the star is around ("Take "17000^(1//4)=11.4)

The spectral energy distribution of the sun has a maximum at 4754Å . If the temperature of the sun is 6050 K, what is the temperature of a star for which this maximum is at 9506Å ?

SL ARORA-FLUIDS AT REST-Problem for self practice
  1. The temperature of the surface of the sun is approximately 6000 K. If ...

    Text Solution

    |

  2. A force of 40 N is applied on a nail , whose tip has an area of cross-...

    Text Solution

    |

  3. Atmospheric pressure is 1.01 xx 10^(5) Pa. How large a force does the ...

    Text Solution

    |

  4. The force on a Phonograph needle is 1.2 N. the point has a circular cr...

    Text Solution

    |

  5. A cylinderical vessel contaning liquid is closed by a smooth piston of...

    Text Solution

    |

  6. The cross-section of two piston in hydraulic press are 2cm^(2) "and" 1...

    Text Solution

    |

  7. The average mass that must be lifted by a hydraulic press is 80 "kg".I...

    Text Solution

    |

  8. In a hydraulic press used for compressing cotton the area of the pisto...

    Text Solution

    |

  9. An automobile sack is lifted by a hydraulic jack that consists of two ...

    Text Solution

    |

  10. What is the minimum pressure required to force blood from the heart to...

    Text Solution

    |

  11. A column of water 40 cm height supports a 30 cm column of an unknown l...

    Text Solution

    |

  12. If the water pressure gauge shows the pressure at ground floor to be 2...

    Text Solution

    |

  13. A cylinderical jar of cross-sectional area of 50 cm^(2) is filled with...

    Text Solution

    |

  14. Water is filled in a flask upto a height of 20cm. The bottom of the fl...

    Text Solution

    |

  15. The density of asir ner earth's surface is 1.3kgm^-3 and the atmospher...

    Text Solution

    |

  16. A vertical U-tube of uniform inner cross-section contains mercury in ...

    Text Solution

    |

  17. Two liquids of specific gravity 1.2 "and" 0.84 are poured into the l...

    Text Solution

    |

  18. The area of cross-section of the wider tube shown in fig., is 800cm^(2...

    Text Solution

    |

  19. A barometer kept in an elevator accelerating upwards reads 76 cm of Hg...

    Text Solution

    |

  20. How much will a body of 70 N weight in water if it displaces 20 ml of...

    Text Solution

    |

  21. A solid weighs 6 kg in air. If its density is 2000 "kg" m^(3) what wil...

    Text Solution

    |