Structure of Atom Part 2

Section: Chemistry

Question : 70 of 108

Marks: +1, -0

The number of following statements which is/are incorrect is _________

[8-Apr-2023 shift 1]

Line emission spectra are used to study the electronic structure
The emission spectra of atoms in the gas phase show a continuous spread of wavelength from red to violet
An absorption spectrum is like the photographic negative of an emission spectrum
The element helium was discovered in the sun by spectroscopic method

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