Home
Class 11
CHEMISTRY
The wavelength of the radiations emitted...

The wavelength of the radiations emitted when in a hydrogen atom electron falls from infinity to stationary state is ` : (R_H = 1. 097 xx10^7 m^(-1))` .

A

`9.1xx10^(-8)nm`

B

`192nm`

C

`406nm`

D

`91nm`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    ALLEN|Exercise Exercise - 04[B]|13 Videos

  • IUPAC NOMENCLATURE

    ALLEN|Exercise Exercise - 05(B)|8 Videos

Similar Questions

Explore conceptually related problems

The wavelngth of the radistions emitted when in a hydrogen atom electro falls from finfinity to stationary state is : (R_H = 1. 097 xx10^7 m^(-1)) .

The wavelength of the radiation emitted , when in a hydrogen atom electron falls from infinity to stationary state 1 , would be : (Rydberg constant = 1.097 xx 10^(7) m^(-1) )

The wavelength of radiation emitted when in He^(+) electron falls infinity to stationary state would be (R =1.098 xx 10 ^7 m^(-1))

The wavelength of the radiation emitted when an electron falls from Bohr 's orbit 4 to 2 in H atom is

The wavelength of the photon emitted by a hydrogen atom when an electron makes a transition from n = 2 to n = 1 state is :

What is the wavelength of the radiation emitted to the electron in a hydrogen atom junps from n = 1 to n = 2 ?

Calculate the wavelength and energy for radiation emitted for the electron transition from infinite (oo) to stationary state of the hydrogen atom R = 1.0967 xx 10^(7) m^(-1), h = 6.6256 xx 10^(-34) J s and c = 2.979 xx 10^(8) m s^(-1)

ALLEN-ATOMIC STRUCTURE-Exercise - 05[A]
  1. Which of the following sets of quantum number is correct for an electr...

    Text Solution

    |

  2. Consider the ground state Cr atom (Z = 24). The number of electron w...

    Text Solution

    |

  3. The wavelength of the radiations emitted when in a hydrogen atom elect...

    Text Solution

    |

  4. Which one of the following sets of ions represents the collection of i...

    Text Solution

    |

  5. In a malti-electrons atom which of the following orbitals deseribed...

    Text Solution

    |

  6. Which of the following are not isoelectronic speices ?

    Text Solution

    |

  7. Which of the following statement is correct in relation to the hydroge...

    Text Solution

    |

  8. According to Boohr's theory the angular momentum of an electron in 5th...

    Text Solution

    |

  9. Uncertainty in the position of an electron mass (9. 1 xx 10^(31) kg) ...

    Text Solution

    |

  10. Which of the following sets of quantum numbers represents the highest ...

    Text Solution

    |

  11. Which one of the following consitutes a group of the isoelectronic spe...

    Text Solution

    |

  12. The ionization enthalpy of hydrogen atom is 1.312 xx 10^6 J mol^-1. Th...

    Text Solution

    |

  13. In an atom, an electron is moving with a speed of 600 m//s with an ac...

    Text Solution

    |

  14. Calculate the wavelength (in nanometer) associated with a proton movin...

    Text Solution

    |

  15. The energy required to break one mole of Cl-Cl bonds in Cl2 is 242 kJ ...

    Text Solution

    |

  16. Ionisation energy of He^+ is 19.6 xx 10^-18 J "atom"^(-1). The energy ...

    Text Solution

    |

  17. A gas absorbs a photon of 355 nm and emits at two wavelengths . If on...

    Text Solution

    |

  18. The frequency of light emitted for the transition n = 4 to n =2 of He^...

    Text Solution

    |

  19. The increasing order of the ionic radii of the given isoelectronic spe...

    Text Solution

    |

  20. The electrons, identified by quantum number n and l i. n = 4,l=1 ii....

    Text Solution

    |