Home
Class 12
PHYSICS
An electron collides with a hydrogen ato...

An electron collides with a hydrogen atom in its ground state and excites it to `n = 3` ,. The energy gives to hydrogen aton n this inclastic collision is [Neglect the recoiling of hydrogen atom]

A

12.1 eV

B

10.2 eV

C

12.75 eV

D

10 eV

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • AIIMS 2019 25 MAY EVENING SHIFT

    AIIMS PREVIOUS YEAR PAPERS|Exercise PHYSICS|38 Videos

  • AIIMS 2019 26 MAY EVENING SHIFT

    AIIMS PREVIOUS YEAR PAPERS|Exercise PHYSICS|33 Videos

Similar Questions

Explore conceptually related problems

Hydrogen atom will be in its ground state , if its electrons is in

An electron with kinetic energy E collides with a hydrogen atom in the ground state. The collision will be elastic

When a hydrogen atom is excited from ground state to first excited state, then

When a hydrogen atom is excited from ground state to first excited state then

An electron with kinetic energy =E eV collides with a hydrogen atom in the ground state. The collision will be elastic

An electron collides with a fixed hydrogen atom in its ground state. Hydrogen atom gets excited and the colliding electron loses all its kinetic energy. Consequently the hydrogen atom may emit a photon corresponding to the largest wavelength of the Balmer series. The K.E. of colliding electron will be

The ionization energy of Hydrogen atom in its ground state is……

AIIMS PREVIOUS YEAR PAPERS-AIIMS 2019 25 MAY MORNING SHIFT-PHYSICS
  1. An electrons is revolving in n=3 orbit. What will be the magnetic fiel...

    Text Solution

    |

  2. A light of wavelength 500 nm is incident on a young's slit. The distan...

    Text Solution

    |

  3. An electron collides with a hydrogen atom in its ground state and exci...

    Text Solution

    |

  4. A transformer with turns ratio (N(1))/(N(2))=(50)/(1) is connected to ...

    Text Solution

    |

  5. Modern treatment method P.E.T is based on !

    Text Solution

    |

  6. A gun applies a force F on a bullet which is given by F=(100-0.5xx10^(...

    Text Solution

    |

  7. A proton is projected with velocity vecV=2hati in a regionn where magn...

    Text Solution

    |

  8. For the system given below, find the angular frequency of oscillation?

    Text Solution

    |

  9. For a telescrope, focal length of objective lens is 15 cm and focal le...

    Text Solution

    |

  10. If sink and source temperature of a refrigerator are 4^(@)C and 15^(@)...

    Text Solution

    |

  11. In an isothermal process 2 water drops of radius 1 mm are combined to ...

    Text Solution

    |

  12. The given transistor operates is saturation region then what should th...

    Text Solution

    |

  13. Body A of mass 4m moving with speed u collides with another body B of ...

    Text Solution

    |

  14. A disc of radius 20 cm and mass half kg is rolling on an inclined plan...

    Text Solution

    |

  15. If temperature of Sun=6000K, radius of Sun is 7.2xx10^(5)Km, radius of...

    Text Solution

    |

  16. If radius of O(2) molecule =40A. T=27^(@)C annd P=1atm. Find the time ...

    Text Solution

    |

  17. Frequency of L-C circuit is f(1). If a resistance R is also added to i...

    Text Solution

    |

  18. If one moel of an ideal gas goes through the process AtoB and Bto C. G...

    Text Solution

    |

  19. A capacitor of capacitance 9nF having dielectric slab of epsi(r)=2.4 d...

    Text Solution

    |

  20. In figure two parallel infintiely long current carrying wires are show...

    Text Solution

    |