Spectral Series Absorb Before You Solve MCQs Atoms Physics NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Light having the wavelength equal to the first line of the Lyman series is incident on a metal having a work function of \(6\) eV. The energy of the fastest photo-electron emitted is:
1. \(7.6\) eV
2. \(4.2\) eV
3. \(2.1\) eV
4. \(0.8\) eV

Subtopic: Spectral Series |

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Whenever a photon is emitted by a hydrogen atom in the Paschen series, it is followed by further emissions of photons, in the Balmer series or the Lyman series.
These photons can have:

1.	\(2\) possible energy values.
2.	\(3\) possible energy values.
3.	\(4\) possible energy values.
4.	\(5\) possible energy values.

Subtopic: Spectral Series |

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The wavelength of the first spectral line of the Lyman series of the hydrogen spectrum is:
1. \(1218\) Å
2. \(974.3\) Å
3. \(2124\) Å
4. \(2120\) Å

Subtopic: Spectral Series |

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In which of the following systems will the wavelength corresponding to \(n=2\) to \(n=1\) be minimum?

1.	hydrogen atom
2.	deuterium atom
3.	singly ionized helium
4.	doubly ionized lithium

Subtopic: Spectral Series |

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The wavelength of Lyman series of hydrogen atom appears in:

1.	visible region
2.	far infrared region
3.	ultraviolet region
4.	infrared region

Subtopic: Spectral Series |

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The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is:
1. \(1\)
2. \(4\)
3. \(0.5\)
4. \(2\)

Subtopic: Spectral Series |

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The wavelength of the first line of Lyman series for the hydrogen atom is equal to that of the second line of Balmer series for a hydrogen-like ion. The atomic number \(Z\) of hydrogen-like ion is:
1. \(4\)
2. \(1\)
3. \(2\)
4. \(3\)

Subtopic: Spectral Series |

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The transition from the state \(n=3\) to \(n=1\) in hydrogen-like atoms results in ultraviolet radiation. Infrared radiation will be obtained in the transition from:
1. \(3\rightarrow 2\)
2. \(4\rightarrow 2\)
3. \(4\rightarrow 3\)
4. \(2\rightarrow 1\)

Subtopic: Spectral Series |

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Which of the following transitions will the wavelength be minimum?

1.	\(n=5\) to \(n=4\)
2.	\(n=4\) to \(n=3\)
3.	\(n=3\) to \(n=2\)
4.	\(n=2\) to \(n=1\)

Subtopic: Spectral Series |

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