Q.

Which of the following methods use soft X- rays to eject electrons from inner shell orbitals?

A. auger electron spectroscopy
B. electron impact spectroscopy
C. electron spectroscopy for chemical analysis
D. secondary ion mass spectroscopy
Answer» C. electron spectroscopy for chemical analysis
Explanation: electron spectroscopy for chemical analysis using soft x-rays to eject electrons from inner shell orbitals. it is a type of electron spectroscopy.
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