JEE Advanced 2014 Paper 2

Section: Physics

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Question : 3 of 60

Marks: +1, -0

If λcu is the wavelength of Kα X-ray line of copper (atomic number 29) and λMo is the wavelength of the Kα X-ray line of molybdenum (atomic number 42), then the ratio

λcu

λMo

is close to

[JEE Adv 2014 P2]

1.99
2.14
0.50
0.48

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