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Chery Chery
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Posts: 3587
7 years ago
Radio astronomers often study the radiation emitted by a hydrogen atom from a transition between the two hyperfine levels associated with the ground state. This radiation has a wavelength of 21 cm. What is the energy difference between the hyperfine levels? (1 eV = 1.60 × 10-19 J)
A) 5.9 × 10-6 eV
B) 5.9 × 10-25 J
C) 1.7 × 10-24 J
D) 4.7 × 10-25 J
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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lyalllyall
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Posts: 626
7 years ago
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Chery Author
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7 years ago
I needed this so much, thanks
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