Home
Class 11
PHYSICS
Assertion : Blue star is at high tempera...

Assertion : Blue star is at high temperature than red star.
Reason : Wein's displacement law states that `T prop (1//lambda_(m))`.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion

C

If assertion is true reason is false

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • TRANSMISSION OF HEAT

    ERRORLESS |Exercise ET Self Evaluation Test|23 Videos

  • TRANSMISSION OF HEAT

    ERRORLESS |Exercise Graphical Questions|17 Videos

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Self Evaluation Test|15 Videos

  • UNITS, DIMENSION & MEASUREMENTS

    ERRORLESS |Exercise All Questions|333 Videos

Similar Questions

Explore conceptually related problems

Assertion: Red star is at lower temperature than blue star. Reason: According to Wien's displacement law, lamda_m prop 1/T

Assertion : The stars twinkle while the planets do not. Reason : The stars are much bigger in size than the planets.

STATEMENT-1: When an electrical heater is switched on, the colour of the filament gradually changes from red to yellow to almost white. STATEMENT-2: Wien's displacement law states that lambda_(m)T = b (constant).

Assertion: Blue light travels slower than red light in vacuum. Reason : Frequency of blue light is greater than that of red light.

Assertion : SO_2 is highly adsorbed on charcoal than H_2 Reason : SO_2 has high critical temperature than H_2 .

Assertion : When temperature of a body is increased, in radiant energy, number of low wavelength photons get increased. Reason : According to Wien's displacement law lambda_m prop 1/T .

Assertion:- In glass, red light travels faster than blue light. Reason:- Red light has a wavelenght longer than blue.

Assertion: White phosphorous is more stable than red phosphorous Reason: Red phoshorous exists in polymeric state

ERRORLESS -TRANSMISSION OF HEAT-Assertion & Reason
  1. Assertion : Bodies radiate heat at all temperatures. Reason : Ra...

    Text Solution

    |

  2. Assertion : Woollen clothes keep the body warm in winter Reason : Ai...

    Text Solution

    |

  3. Assertion : The equivalent thermal conductivity of two plates of same ...

    Text Solution

    |

  4. Assertion : A hollow metallic closed container maintained at a uniform...

    Text Solution

    |

  5. Assertion : If the temperature of a star is doubled then the rate loss...

    Text Solution

    |

  6. Assertion : The radiation from the sun’s surface varies as the fourth ...

    Text Solution

    |

  7. Assertion : Blue star is at high temperature than red star. Reason :...

    Text Solution

    |

  8. Assertion : The S.I. unit of thermal conductivity is watt m ^(1)1 K^(1...

    Text Solution

    |

  9. Assertion : A brass tumbler feels much colder than a wooden tray on a ...

    Text Solution

    |

  10. Assertion: Like light radiation, thermal radiations are also electroma...

    Text Solution

    |

  11. Assertion : Snow is better insulator than ice. Reason : Snow con...

    Text Solution

    |

  12. Assertion : Water can be boiled inside satellite by convection. Re...

    Text Solution

    |

  13. Assertion : The absorbance of a perfect black body is unity. Reas...

    Text Solution

    |

  14. Assertion : A man would feel iron or wooden balls equally hot at 98.4°...

    Text Solution

    |

  15. Statement-1 : As temperature of a black body is raised, wavelenght cor...

    Text Solution

    |

  16. Assertion : All black coloured objects are considered black bodies. ...

    Text Solution

    |

  17. Assertion : Greater is the coefficient of thermal conductivity of a ma...

    Text Solution

    |

  18. Assertion : Radiation is the speediest mode of heat transfer. Rea...

    Text Solution

    |

  19. Assertion : Two thin blankets put together are warmer than a single bl...

    Text Solution

    |

  20. Assertion : Animals curl into a ball, when they feel very cold. Re...

    Text Solution

    |