The emission spectra of atoms in the gaseous phase do not show a continuous spread of wavelength from red to violet, rather they emit light only at specific wavelengths with dark spaces between them. Such spectra is/are called:

line spectra

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atomic spectra

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both

(A)

and

(B)

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none of these

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Solution

The correct option is A line spectra
The emission spectra of atoms which do not show continuous spread of wavelength. but emit only at specific wavelength is known as line spectra.

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Similar questions

Diffrence between emission spectra, absorption spectra , atomic spectra and line emission spectra.

Q. I: Gas-phase elements absorb or emit only specific wavelengths of visible light when excited by an electric current.
II: The energy levels that electrons can occupy in gas-phase atoms and molecules are continuous.

Q. Statement 1 : Gas-phase elements absorb or emit only specific wavelengths of visible light when excited by an electric current.
Statement 2 : The energy levels that electrons can occupy in gas-phase atoms and molecules are continuous.

In absorbtion spectra,we pass em radiation thorugh unexited atoms .

(a)they absorb some energy, of which corresponding black bands are seen on the photoelectric plate. If they absorb energy from the light, that means the atoms went to an excited state((do all of them absob energy from light?)). so when they would return back to the ground state, they should emit radiation of the same wavelength, if they do why do we see black bands then?(i m talking abt absorbtion spectra)

Q. A beam of

13.0 e V

electrons is used to bombard gaseous hydrogen. The series obtained in emission spectra is/are

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The emission spectra of atoms in the gaseous phase do not show a continuous spread of wavelength from red to violet, rather they emit light only at specific wavelengths with dark spaces between them. Such spectra is/are called:

The correct option is A line spectraThe emission spectra of atoms which do not show continuous spread of wavelength. but emit only at specific wavelength is known as line spectra.

The correct option is A line spectra
The emission spectra of atoms which do not show continuous spread of wavelength. but emit only at specific wavelength is known as line spectra.