If λ Cu is the wavelength of K a X-ray line of copper (atomic number 29) and λ Mo is the…
Physics · JEE Advanced · NTA Exams — Atoms and Nuclei
If λCu is the wavelength of Ka X-ray line of copper (atomic number 29) and λMo is the wavelength of the Ka X-ray line of molybdenum (atomic number 42), then the ratio λCu / λMo is close to
- 1.99
- 2.14
- 0.50
- 0.48
Answer
(D) 0.48
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