Spectra
CHXI02:STRUCTURE OF ATOM

307564 Assertion :
Hydrogen has one elecctron in its orbit but it produces several spectral lines.
Reason :
There are many excited energy levels available.

1 If both Assertion & Reason are true and reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but reason is not the correct explanation of the assertion.
3 If Assertion is true statement but Reason is false.
4 Assertion is false but reason is true.
CHXI02:STRUCTURE OF ATOM

307565 Which are in the ascending order of wavelength?

1 \({{\rm{H}}_{(3 \to 2)}}{\rm{,}}{{\rm{H}}_{(4 \to 2)}}{\rm{,}}{{\rm{H}}_{(5 \to 2)}}{\rm{,}}.....\) lines in Balmer series of hydrogen atom
2 Lyman limit, Balmer limit, Paschen limit in the hydrogen spectrum
3 Blue, violet, yellow, red colours in solar spectrum
4 X-rays, Cosmic rays, \({\rm{\gamma - }}\) rays
CHXI02:STRUCTURE OF ATOM

307566 Electronic transition in \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) ion takes from \({{\rm{n}}_{\rm{2}}}\) to \({{\rm{n}}_{\rm{1}}}\) shell when electrons transition to \({{\rm{1}}^{{\rm{st}}}}\) shell from \({{\rm{3}}^{{\rm{rd}}}}\) shell, the number of spectral line formed are

1 \({\rm{10}}\)
2 \({\rm{8}}\)
3 \({\rm{5}}\)
4 \({\rm{3}}\)
CHXI02:STRUCTURE OF ATOM

307567 The electron in the hydrogen atom undergoes transition from higher orbitals to lower orbital of radius 211.6 pm. This transition is associated with:

1 Lyman series
2 Balmer series
3 Paschen series
4 Brackett series
CHXI02:STRUCTURE OF ATOM

307568 Assertion :
Line emission spectra helps in the study of electronic configuration.
Reason :
Each element has a unique line emission spectrum.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI02:STRUCTURE OF ATOM

307564 Assertion :
Hydrogen has one elecctron in its orbit but it produces several spectral lines.
Reason :
There are many excited energy levels available.

1 If both Assertion & Reason are true and reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but reason is not the correct explanation of the assertion.
3 If Assertion is true statement but Reason is false.
4 Assertion is false but reason is true.
CHXI02:STRUCTURE OF ATOM

307565 Which are in the ascending order of wavelength?

1 \({{\rm{H}}_{(3 \to 2)}}{\rm{,}}{{\rm{H}}_{(4 \to 2)}}{\rm{,}}{{\rm{H}}_{(5 \to 2)}}{\rm{,}}.....\) lines in Balmer series of hydrogen atom
2 Lyman limit, Balmer limit, Paschen limit in the hydrogen spectrum
3 Blue, violet, yellow, red colours in solar spectrum
4 X-rays, Cosmic rays, \({\rm{\gamma - }}\) rays
CHXI02:STRUCTURE OF ATOM

307566 Electronic transition in \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) ion takes from \({{\rm{n}}_{\rm{2}}}\) to \({{\rm{n}}_{\rm{1}}}\) shell when electrons transition to \({{\rm{1}}^{{\rm{st}}}}\) shell from \({{\rm{3}}^{{\rm{rd}}}}\) shell, the number of spectral line formed are

1 \({\rm{10}}\)
2 \({\rm{8}}\)
3 \({\rm{5}}\)
4 \({\rm{3}}\)
CHXI02:STRUCTURE OF ATOM

307567 The electron in the hydrogen atom undergoes transition from higher orbitals to lower orbital of radius 211.6 pm. This transition is associated with:

1 Lyman series
2 Balmer series
3 Paschen series
4 Brackett series
CHXI02:STRUCTURE OF ATOM

307568 Assertion :
Line emission spectra helps in the study of electronic configuration.
Reason :
Each element has a unique line emission spectrum.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
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CHXI02:STRUCTURE OF ATOM

307564 Assertion :
Hydrogen has one elecctron in its orbit but it produces several spectral lines.
Reason :
There are many excited energy levels available.

1 If both Assertion & Reason are true and reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but reason is not the correct explanation of the assertion.
3 If Assertion is true statement but Reason is false.
4 Assertion is false but reason is true.
CHXI02:STRUCTURE OF ATOM

307565 Which are in the ascending order of wavelength?

1 \({{\rm{H}}_{(3 \to 2)}}{\rm{,}}{{\rm{H}}_{(4 \to 2)}}{\rm{,}}{{\rm{H}}_{(5 \to 2)}}{\rm{,}}.....\) lines in Balmer series of hydrogen atom
2 Lyman limit, Balmer limit, Paschen limit in the hydrogen spectrum
3 Blue, violet, yellow, red colours in solar spectrum
4 X-rays, Cosmic rays, \({\rm{\gamma - }}\) rays
CHXI02:STRUCTURE OF ATOM

307566 Electronic transition in \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) ion takes from \({{\rm{n}}_{\rm{2}}}\) to \({{\rm{n}}_{\rm{1}}}\) shell when electrons transition to \({{\rm{1}}^{{\rm{st}}}}\) shell from \({{\rm{3}}^{{\rm{rd}}}}\) shell, the number of spectral line formed are

1 \({\rm{10}}\)
2 \({\rm{8}}\)
3 \({\rm{5}}\)
4 \({\rm{3}}\)
CHXI02:STRUCTURE OF ATOM

307567 The electron in the hydrogen atom undergoes transition from higher orbitals to lower orbital of radius 211.6 pm. This transition is associated with:

1 Lyman series
2 Balmer series
3 Paschen series
4 Brackett series
CHXI02:STRUCTURE OF ATOM

307568 Assertion :
Line emission spectra helps in the study of electronic configuration.
Reason :
Each element has a unique line emission spectrum.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI02:STRUCTURE OF ATOM

307564 Assertion :
Hydrogen has one elecctron in its orbit but it produces several spectral lines.
Reason :
There are many excited energy levels available.

1 If both Assertion & Reason are true and reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but reason is not the correct explanation of the assertion.
3 If Assertion is true statement but Reason is false.
4 Assertion is false but reason is true.
CHXI02:STRUCTURE OF ATOM

307565 Which are in the ascending order of wavelength?

1 \({{\rm{H}}_{(3 \to 2)}}{\rm{,}}{{\rm{H}}_{(4 \to 2)}}{\rm{,}}{{\rm{H}}_{(5 \to 2)}}{\rm{,}}.....\) lines in Balmer series of hydrogen atom
2 Lyman limit, Balmer limit, Paschen limit in the hydrogen spectrum
3 Blue, violet, yellow, red colours in solar spectrum
4 X-rays, Cosmic rays, \({\rm{\gamma - }}\) rays
CHXI02:STRUCTURE OF ATOM

307566 Electronic transition in \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) ion takes from \({{\rm{n}}_{\rm{2}}}\) to \({{\rm{n}}_{\rm{1}}}\) shell when electrons transition to \({{\rm{1}}^{{\rm{st}}}}\) shell from \({{\rm{3}}^{{\rm{rd}}}}\) shell, the number of spectral line formed are

1 \({\rm{10}}\)
2 \({\rm{8}}\)
3 \({\rm{5}}\)
4 \({\rm{3}}\)
CHXI02:STRUCTURE OF ATOM

307567 The electron in the hydrogen atom undergoes transition from higher orbitals to lower orbital of radius 211.6 pm. This transition is associated with:

1 Lyman series
2 Balmer series
3 Paschen series
4 Brackett series
CHXI02:STRUCTURE OF ATOM

307568 Assertion :
Line emission spectra helps in the study of electronic configuration.
Reason :
Each element has a unique line emission spectrum.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI02:STRUCTURE OF ATOM

307564 Assertion :
Hydrogen has one elecctron in its orbit but it produces several spectral lines.
Reason :
There are many excited energy levels available.

1 If both Assertion & Reason are true and reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but reason is not the correct explanation of the assertion.
3 If Assertion is true statement but Reason is false.
4 Assertion is false but reason is true.
CHXI02:STRUCTURE OF ATOM

307565 Which are in the ascending order of wavelength?

1 \({{\rm{H}}_{(3 \to 2)}}{\rm{,}}{{\rm{H}}_{(4 \to 2)}}{\rm{,}}{{\rm{H}}_{(5 \to 2)}}{\rm{,}}.....\) lines in Balmer series of hydrogen atom
2 Lyman limit, Balmer limit, Paschen limit in the hydrogen spectrum
3 Blue, violet, yellow, red colours in solar spectrum
4 X-rays, Cosmic rays, \({\rm{\gamma - }}\) rays
CHXI02:STRUCTURE OF ATOM

307566 Electronic transition in \({\rm{L}}{{\rm{i}}^{{\rm{2 + }}}}\) ion takes from \({{\rm{n}}_{\rm{2}}}\) to \({{\rm{n}}_{\rm{1}}}\) shell when electrons transition to \({{\rm{1}}^{{\rm{st}}}}\) shell from \({{\rm{3}}^{{\rm{rd}}}}\) shell, the number of spectral line formed are

1 \({\rm{10}}\)
2 \({\rm{8}}\)
3 \({\rm{5}}\)
4 \({\rm{3}}\)
CHXI02:STRUCTURE OF ATOM

307567 The electron in the hydrogen atom undergoes transition from higher orbitals to lower orbital of radius 211.6 pm. This transition is associated with:

1 Lyman series
2 Balmer series
3 Paschen series
4 Brackett series
CHXI02:STRUCTURE OF ATOM

307568 Assertion :
Line emission spectra helps in the study of electronic configuration.
Reason :
Each element has a unique line emission spectrum.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.