Home
Class 12
PHYSICS
A sample of hydrogen gas in its ground s...

A sample of hydrogen gas in its ground state is irradiated with photons of `10.02 eV` energies. The radiation from the above sample is used to irradiate two other sample of excited ionized `He^(+)` and excited ionized `Li^(2+)`, respectively. Both the ionized samples absorb the incident radiation.
How many spectral lines are obtained in the spectra of `Li^(2+)`?

A

10

B

15

C

20

D

17

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 114

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 116

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A sample of hydrogen gas in its ground state is irradiated with photons of 10.02 eV energies. The radiation from the above sample is used to irradiate two other sample of excited ionized He^(+) and excited ionized Li^(2+) , repectively. Both the ionized samples absorb the incident radiation. How many spectral lines are obtained in the spectra of He^(+) ion?

A sample of hydrogen gas in its ground state is irradiated with photons of 10.02 eV energies. The radiation from the above sample is used to irradiate two other sample of excited ionized He^(+) and excited ionized Li^(2+) , repectively. Both the ionized samples absorb the incident radiation. Which is the smallest wavelength that will be observed in spectra of Li^(2+) ?

A sample of hydrogen gas in its ground state is irradiated with photons of 10.02 eV energies. The radiation from the above sample is used to irradiate two other sample of excited ionized He^(+) and excited ionized Li^(2+) , repectively. Both the ionized samples absorb the incident radiation. What is the smallest wavelength that will be observed in spectra of He^(+) ion ?

A sample of hydrogen gas in its ground state is irrdation with photon of 10.2eV energies The radiation from the above the sample is used to irradiate two other the sample of excited ionized He^(+) and excited ionized Li^(2+) , respectively . Both the ionized sample absorb the incident radiation. Consider the spectra lines resulting from the transition n=2 to n=1 in the atom and the ions given below. The shortest wavelength is produced by

A sample of hydrogen gas in its ground state is irrdation with photon of 10.2eV energies The radiation from the above the sample is used to irradiate two other the sample of excited ionized He^(+) and excited ionized Li^(2+) , respectively . Both the ionized sample absorb the incident radiation. A gas of monoatomic hydrogen is bombared with a stream of electron that have been accelerated from rest through a potential difference of 12.75 volt. in the emission spectrum, one cannot observed any line of

A sample of hydrogen gas in its ground state is irrdation with photon of 10.2eV energies The radiation from the above the sample is used to irradiate two other the sample of excited ionized He^(+) and excited ionized Li^(2+) , respectively . Both the ionized sample absorb the incident radiation. An electron jumps from the 4^(th) orbit to 2^(nd) orbit of hydrogen atom . .Given the Rydberg's constant r=10^(5)cm^(-1) , the frequency in hertz of the emitted radiation will be

A sample of hydrogen gas in its ground state is irrdation with photon of 10.2eV energies The radiation from the above the sample is used to irradiate two other the sample of excited ionized He^(+) and excited ionized Li^(2+) , respectively . Both the ionized sample absorb the incident radiation. With increasing quantum number, the energy different between adjacent energy level in atoms

A sample consisting of Hydrogen atoms in the ground state is excited by monochromatic radiation of energy 12.75 eV. If we were to observe the emission spectrum of this sample, then the number of spectral lines observed, will be

A sample of hydrogen atom is excited to n=4 state. In the spectrum of emitted radiation, the number of lines in the ultraviolet and visible regions are respectively:

NTA MOCK TESTS-NTA NEET SET 115-PHYSICS
  1. The energy (in eV) required to excite an electron from n = 2 to n = 4 ...

    Text Solution

    |

  2. A sample of hydrogen gas in its ground state is irradiated with photon...

    Text Solution

    |

  3. A gun (mass=M) fires a bullet (mass=m) with speed vr relative to barr...

    Text Solution

    |

  4. A spherical ball A of mass 4 kg, moving along a straight line strikes ...

    Text Solution

    |

  5. A particle moves along a circle of radius r with constant tangential a...

    Text Solution

    |

  6. A magnet of magnetic moment 10 Am^(2) has magnetic length 5 cm.The str...

    Text Solution

    |

  7. A 100W bulb is connected to an AC source of 220V, 50Hz. Then the curre...

    Text Solution

    |

  8. in the following network, the potential at O is

    Text Solution

    |

  9. An LCR circuit contains R=50 Omega, L=1 mH and C=0.1 muF. The impedenc...

    Text Solution

    |

  10. An Ac source of volatage V=100 sin 100pit is connected to a resistor ...

    Text Solution

    |

  11. The capacitance of a parallel plate capacitor is 2 mu F and the charge...

    Text Solution

    |

  12. Two capacitors of capacitance C are connected in series. If one of the...

    Text Solution

    |

  13. An artificial satellite is moving in a circular orbit around the earth...

    Text Solution

    |

  14. Variation of acceleration due to gravity (g) with distance x from the ...

    Text Solution

    |

  15. The rates of heat radiation from two patches of skin each of area A on...

    Text Solution

    |

  16. A Carnot engine whose low-temperature reservoir is at 350 K has effici...

    Text Solution

    |

  17. One mole of monoatomic gas is taken round the cyclic process. Heat abs...

    Text Solution

    |

  18. A wire of length 100 m is tightly wounded on a hollow tube of radius 5...

    Text Solution

    |

  19. A current carrying circular coil is bent so as to convert it into a do...

    Text Solution

    |

  20. The displacement -time (x– t) graph of a body is given as The co...

    Text Solution

    |