The number of following statement/s which is/are\(\text{\underline{ incorrect}}\) is______
(A) Line emission spectra are used to study the electronic structure
(B) The emission spectra of atoms in the gas phase show a continuous spread of wavelength from red to violet
(C) An absorption spectrum is like the photographic negative of an emission spectrum
(D) The element helium was discovered in the sun by spectroscopic method.
(A) Line emission spectra are used to study the electronic structure
(B) The emission spectra of atoms in the gas phase show a continuous spread of wavelength from red to violet
(C) An absorption spectrum is like the photographic negative of an emission spectrum
(D) The element helium was discovered in the sun by spectroscopic method.
Correct Answer: 1
Solution and Explanation
The incorrect statement is:
Statement 2: Emission spectra of atoms in the gas phase do not show a continuous spectrum. They display discrete lines corresponding to specific energy levels.
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