The de Broglie wavelength of an electron having kinetic energy E is 
. If the kinetic energy of electron becomes 
, then its de-Broglie wavelength will be:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
The de-Broglie wavelength in the first case is
In the second case the kinetic energy is K = 
.
Let the de-Broglie wavelength be 
'.
The value of wavelength is
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