Home
Class 12
PHYSICS
Assertion : The de - Broglie wavelength ...

Assertion : The de - Broglie wavelength of a molecule varies inversely as the square root of temperature.
Reason : The root mean square velocity of the molecule depends on the temperature.

A

Statement-1 is True, Statement, Statement-2 is True, Statement-2 is a correct explanation for Statement-1.

B

Statement-1 is True, Statement-2 is True: Statement-2 is NOT a correct explanation for Statement-1.

C

Statement-1 is Faslse, Statement-2 is True.

D

Statement-1 is True, Statement-2 is False.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    DISHA|Exercise Physics|50 Videos
  • ELECTROMAGNETIC INDUCTION

    DISHA|Exercise Physics|55 Videos

Similar Questions

Explore conceptually related problems

The root mean square velocity of a gas is doubled when the temperature is :

The root mean square speed of gas molecules

Root mean square velocity of a gas molecule is proprotional to

Statement-1: The de-Broglie wavelength of a molecules (in a sample of ideal gas ) varies inversely as the square root of absolute temperature The arm velocity of a molecules (in a sample of ideal gas ) depend in temperature.

Calculate for hydrogen at 27^(@)C root mean square velocity of the molecules.

The temperature at which the root mean square velocity of the gas molecules would become twice of its value at 0^(@)C is

DISHA-DUAL NATURE OF MATTER AND RADIATION-Physics
  1. A hydrogen atom moving at a speed v absorbs a photon of wavelength 122...

    Text Solution

    |

  2. The de-Broglie wavelenght of an electron is 0.2 overset(@)A. Calculate...

    Text Solution

    |

  3. A photon and an electron have equal energy E . lambda("photon")//lambd...

    Text Solution

    |

  4. In a photoemissive cell, with exciting wavelength lambda, the faster e...

    Text Solution

    |

  5. Which of the following figure represents the variation of particle mom...

    Text Solution

    |

  6. The work function for the surface of aluminium is 4.2 eV. What will be...

    Text Solution

    |

  7. Slope of V(0)-v curve is- (where V(0)= Stopping potential and v=freq...

    Text Solution

    |

  8. An AIR station is broadcasting the waves of wavelength 300 metres. If ...

    Text Solution

    |

  9. A metal surface of work function 1.07 eV is irradiated with light of w...

    Text Solution

    |

  10. The fig. shows the variation of photon current with anode potential fo...

    Text Solution

    |

  11. An electromagnetic radiation of frequency 3xx10^(15) cycles per second...

    Text Solution

    |

  12. Ultraviolet light of wavelenght 280 nm is used in an experiment on pho...

    Text Solution

    |

  13. The separation between Bragg's planes in a crystal is 10overset(@)A. T...

    Text Solution

    |

  14. Electrons are accelerated in television tubes through potential differ...

    Text Solution

    |

  15. A physicist wishes to eject electrons by shining light on a metal surf...

    Text Solution

    |

  16. A physicist wishes to eject electrons by shining light on a metal surf...

    Text Solution

    |

  17. A physicist wishes to eject electrons by shining light on a metal surf...

    Text Solution

    |

  18. Assertion : Mass of moving photon varies inversely as the wavelength ....

    Text Solution

    |

  19. Assertion : Photosensitivity of a metal is high if its work function i...

    Text Solution

    |

  20. Assertion : The de - Broglie wavelength of a molecule varies inversely...

    Text Solution

    |