If the kinetic energy of a free electron doubles, its de-Broglie wavel – McqOptions

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1.	If the kinetic energy of a free electron doubles, its de-Broglie wavelength changes by the factor [AIEEE 2005]
A.	\[\frac{1}{\sqrt{2}}\]
B.	\[\sqrt{2}\]
C.	\[\frac{1}{2}\]
D.	2
Answer» B. \[\sqrt{2}\]

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