Published by:
CGP EDU Academic Team
Published on: September 12, 2026
characteristic 
-ray refers to the transition
A
to 
B
to 
C
to 
D
to 
Text Solution
Verified by ExpertsThe correct answer is:
A
Step 1: The given question pertains to characteristic X-rays, specifically the K-alpha line.
Step 2: The transition corresponding to K-alpha radiation is from $n=2$ to $n=1$.
Step 3: Therefore, for the transition characteristic of K-alpha ray, we confirm that the answer is as specified in Option A. Hence, we conclude that the K-alpha ray refers to the transition from level n=2 to n=1.
Step 2: The transition corresponding to K-alpha radiation is from $n=2$ to $n=1$.
Step 3: Therefore, for the transition characteristic of K-alpha ray, we confirm that the answer is as specified in Option A. Hence, we conclude that the K-alpha ray refers to the transition from level n=2 to n=1.
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