Home
Class 12
PHYSICS
Energy E of a hydrogen atom with princip...

Energy `E` of a hydrogen atom with principle quantum number `n` is given by `E = (-13.6)/(n^(2)) eV`. The energy of a photon ejected when the electron jumps from `n = 3` state to `n = 2` state of hydrogen is approximately

A

`1.5eV`

B

`0.85eV`

C

`3.4eV`

D

`1.9eV`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 82

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 84

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
NTA MOCK TESTS-NTA NEET SET 83-PHYSICS
  1. The distance of closest approach of an alpha-particle fired towards a ...

    Text Solution

    |

  2. Energy E of a hydrogen atom with principle quantum number n is given b...

    Text Solution

    |

  3. A uniform solid right circular cone of base radius R is joined to a un...

    Text Solution

    |

  4. A wheel which is initially at rest is subjected to a constant angular ...

    Text Solution

    |

  5. A tube of length L is filled completely with an incompressible liquid ...

    Text Solution

    |

  6. When a resistor of 11 Omega is connected in series with an electric ce...

    Text Solution

    |

  7. The total current supplied to the given circuit by the battery is

    Text Solution

    |

  8. In a series L.C.R. circuit, the potential drop across L, C and R respe...

    Text Solution

    |

  9. The maximum voltage in DC circuit is 282 V. the effective voltage in A...

    Text Solution

    |

  10. For the circuit shown in figure the charge on 4muF capacitor is

    Text Solution

    |

  11. A chance Q placed at thee center of a metallic spherical shell with in...

    Text Solution

    |

  12. A planet of mass m is the elliptical orbit about the sun (mlt ltM("sun...

    Text Solution

    |

  13. A satellite is launched into a circular orbit of radius R around the e...

    Text Solution

    |

  14. If the temperature of the sun were to increase form T to 2T and its ra...

    Text Solution

    |

  15. A gas for which gamma=1.5 is suddenly compressed to 1//4 th of the ini...

    Text Solution

    |

  16. Two moles of a certain ideal gas at 300K were cooled at constant volum...

    Text Solution

    |

  17. A wire bent in the form a right angled triangle PQR, carries a current...

    Text Solution

    |

  18. In the figure shown a current I(1) is established in the long straight...

    Text Solution

    |

  19. A steel wire of length l has a magnetic moment M. It is bent in L - sh...

    Text Solution

    |

  20. A body is thrown up in a lift with a velocity 5ms^(-1) relative to the...

    Text Solution

    |