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 |
 64%
From NCERT
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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 |
 65%
From NCERT
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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 |
 66%
From NCERT
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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 |
 73%
From NCERT
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The wavelength of the Lyman series of hydrogen atom appears in:
1. visible region
2. far infrared region
3. ultraviolet region
4. infrared region
Subtopic:  Spectral Series |
 78%
From NCERT
NEET - 2023
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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 |
 76%
From NCERT
NEET - 2017
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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 |
 66%
From NCERT
AIPMT - 2011
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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 |
 79%
From NCERT
AIPMT - 2012
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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 |
 82%
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