MHT CET Physics question

Physics Atoms MHT CET

The wavelength of -line in copper is 1.54 Å. The ionisation energy of K-electron in copper (in J) is

(A)
(B)
(C)Correct
(D)

Answer: (C)

Solution

The energy is J and with the K-ionisation energy the line carries

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Question ID VK-084857