1.

The following transition occurs when Lithium atoms are sprayed into hot flame. The various steps are numbered for identification. \[2s\xrightarrow{I}2p\xrightarrow{II}3d\xrightarrow{III}3p\xrightarrow{IV}\]\[4s\xrightarrow{V}3p\] Which of these transitions result in emission of light?

A. I, II & V
B. III & V
C. III, IV & V
D. All
Answer» C. III, IV & V


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