The figure shows the energy level of certain atom. When the electron deexcites from 
to 
, an electromagnetic wave of wavelength 
is cmitted. What is the wavelength of the electromagnetic wave emitted when the electron de excites from 
to E?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
From figure,
Divide (i) by (ii), we get
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