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Question

The given graph shows the variation of f vs Z for characteristics X-rays. Lines 1, 2, 3, 4 shown in the graph corresponds to any one of Kα,Kβ,Lα,Lβ, then Lβ is represented by (f= frequency, Z= Atomic number)
75324.png
  1. Line 1
  2. Line 2
  3. Line 3
  4. Line 4

A
Line 2
B
Line 4
C
Line 3
D
Line 1
Solution
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For a given value of Z, energy of K-series is more than L-series, also β−line has more energy as compared to α−line of L-series.
Hence, Lβ will be represented by line 3.

404921_75324_ans.png

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