JEE Main - Previous Year Papers JEE MAIN 2023 JEE MAINS 8 APRIL- 2023 PAPER SHIFT -1 Single Correct MCQ
Published on: August 13, 2026

The number of following statement/s which is/are 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

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Text Solution

Verified by Experts
The correct answer is:
1

(1) Statement is incorrect

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