Home
Class 12
PHYSICS
energy of an electron system in the firs...

energy of an electron system in the first excited state is -13.6 eV. This is

A

`H` atom

B

`He^+` ion

C

`Li^(2+)` ion

D

`Be^(3+)` ion

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The energy of an atom or ion in the first excited state is -13.6 eV. It may be

The total energy of the electron in the first excited state of hydrogen is -3.4 eV . What is the kinetic energy of the electron in this state?

The energy of an electron in the first level of H atom is - 13.6 eV .The possible value s of the excited state s for electron in He^(o+) is (are)

The total energy of an electron in the first excited state of hydrogen is about -3.4 eV . Its kinetic energy in this state is:

AAKASH INSTITUTE-TEST 3-EXAMPLE
  1. Two bulbs of rated power 60W and 100W same specified voltage 220 V are...

    Text Solution

    |

  2. A particle is executing SHM along a straight line. Then choose the cor...

    Text Solution

    |

  3. energy of an electron system in the first excited state is -13.6 eV. T...

    Text Solution

    |

  4. A proton and an alpha- particle is projected with equal kinetic energy...

    Text Solution

    |

  5. After 225 days the activity of a sample is 4000 decay/s. The activity ...

    Text Solution

    |

  6. A nucleus at rest disintegrates into two equal parts which have their ...

    Text Solution

    |

  7. The electric and magnetic field of an electromagnetic wave are:

    Text Solution

    |

  8. In a photoelectric experiment the wavelength of incident light changes...

    Text Solution

    |

  9. An alpha - particle is accelerated through a potential difference of 1...

    Text Solution

    |

  10. Two polaroids are placed such that their planes are parallel to each o...

    Text Solution

    |

  11. In Young's double slit experiment slit separation is d, and distance o...

    Text Solution

    |

  12. Focal length of objective lens and eyepiece of an astronomical telesco...

    Text Solution

    |

  13. A Ray of light is incident at an angle 60° on one face of a prism whic...

    Text Solution

    |

  14. On an optical bench a point object is placed at the mark of 10 cm, a c...

    Text Solution

    |

  15. If a closed current loop of any arbitrary shape placed in uniform magn...

    Text Solution

    |

  16. If angle of dip shown by a dip circle at 30° with magnetic meridian is...

    Text Solution

    |

  17. The ratio of v(ms) : v(mp) : v(avg) is (Symbols have their usual meani...

    Text Solution

    |

  18. Choose the correct statement.

    Text Solution

    |

  19. A satellite is moving with a constant speed v in circular orbit aroun...

    Text Solution

    |

  20. 20g stream at 100°C is passed through 15g ice at -12°C. The mass of wa...

    Text Solution

    |